magento2: Magento upgrade from 2.2.6 to 2.3.0 fails with composer

I was trying to upgrade my Magento shop from 2.2.6 to 2.3.0 via composer. The installation failed with the message “Your requirements could not be resolved to an installable set of packages.”. The problem seems to be the symfony/console component?

Preconditions (*)

  1. Magento version 2.2.6
  2. PHP version 7.1.9
  3. Memory limit 768M
  4. Max execution time 18000

Steps to reproduce (*)

  1. Access the shell and jump to Magento root directory
  2. Run “composer require magento/product-community-edition 2.3.0 --no-update”
  3. Run “composer update”

Expected result (*)

All packages should be upgraded and all dependencies should be resolved correctly. The Magento upgrade should succeed by running the standard setup:upgrade etc. procedure after the composer update command

Actual result (*)

  1. When running composer update the message “Your requirements could not be resolved to an installable set of packages.” pops up
  2. The actual error message goes on like this:
Problem 1
    - Installation request for magento/product-community-edition 2.3.0 -> satisfiable by magento/product-community-edition[2.3.0].
    - magento/product-community-edition 2.3.0 requires magento/framework 102.0.0 -> satisfiable by magento/framework[102.0.0].
    - Conclusion: don't install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0-BETA2|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0-BETA3|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.1|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.2|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.3|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.4|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.5|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.6|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.7|install symfony/console v2.8.38

… another part of the error message is this:

- Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.15].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.16].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.17].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.18].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.19].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.20].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.21].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.22].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.23].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.24].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.25].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.26].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.27].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.28].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.29].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.30].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.31].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.32].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.33].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.34].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.35].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.36].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.37].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.38].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.39].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.40].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.41].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.42].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.3.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.0-BETA2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.4.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.0-BETA2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.5.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.0-BETA2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.6.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.0-BETA2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.15].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.16].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.17].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.18].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.19].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.20].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.21].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.22].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.23].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.24].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.25].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.26].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.27].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.28].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.29].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.30].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.31].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.32].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.33].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.34].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.35].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.36].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.37].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.38].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.39].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.40].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.41].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.42].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.43].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.44].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.45].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.46].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.47].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.48].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.49].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.15].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.16].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.17].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.18].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.19].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.20].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.21].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.22].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.23].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.24].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.25].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.26].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.27].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.28].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.29].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.30].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.31].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.32].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.33].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.34].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.35].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.36].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.37].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.39].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.40].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.41].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.42].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.43].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.44].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.45].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.46].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.47].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.48].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.8.47].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v2.7.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.0.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.1.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.0-RC2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.2.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.15].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.16].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.17].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.18].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.3.9].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-BETA1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-BETA2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-BETA3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-BETA4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-RC1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.0-RC2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.1].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.10].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.11].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.12].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.13].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.14].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.15].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.16].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.17].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.18].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.19].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.2].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.3].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.4].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.5].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.6].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.7].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.8].
    - Can only install one of: symfony/console[v4.1.0-BETA1, v3.4.9].
    - symfony/process v2.3.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.11 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.12 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.13 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.14 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.15 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.16 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.17 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.18 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.19 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.20 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.21 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.22 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.23 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.24 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.25 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.26 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.27 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.28 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.29 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.30 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.31 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.32 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.33 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.34 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.35 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.36 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.37 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.38 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.39 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.40 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.41 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.42 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.3.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.0-BETA1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.0-BETA2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.0-RC1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.4.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.0-BETA1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.0-BETA2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.0-RC1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.11 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.12 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.5.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.0-BETA1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.0-BETA2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.11 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.12 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.13 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.6.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.0-BETA1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.0-BETA2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.11 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.12 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.13 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.14 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.15 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.16 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.17 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.18 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.19 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.20 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.21 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.22 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.23 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.24 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.25 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.26 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.27 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.28 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.29 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.30 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.31 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.32 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.33 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.34 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.35 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.36 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.37 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.38 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.39 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.40 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.41 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.42 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.43 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.44 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.45 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.46 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.47 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.48 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.49 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.7.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.0 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.0-BETA1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.1 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.10 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.11 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.12 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.13 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.14 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.15 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.16 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.17 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.18 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.19 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.2 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.20 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.21 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.22 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.23 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.24 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.25 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.26 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.27 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.28 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.29 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.3 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.30 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.31 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.32 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.33 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.34 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.35 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.36 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.37 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.38 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.39 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.4 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.40 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.41 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.42 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.43 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.44 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.45 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.46 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.47 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.48 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.5 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.6 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.7 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.8 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/process v2.8.9 conflicts with symfony/console[v4.1.0-BETA1].
    - symfony/console v4.1.0-BETA1 conflicts with symfony/process[v2.8.47].
    - magento/framework 102.0.0 requires symfony/console ~4.1.0 -> satisfiable by symfony/console[v4.1.0, v4.1.0-BETA1, v4.1.0-BETA2, v4.1.0-BETA3, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8].
    - Conclusion: don't install symfony/console v4.1.8|install symfony/console v2.8.38
    - Installation request for fabpot/php-cs-fixer ~1.2 -> satisfiable by fabpot/php-cs-fixer[v1.10, v1.10.1, v1.10.2, v1.10.3, v1.11, v1.11.1, v1.11.2, v1.11.3, v1.11.4, v1.11.5, v1.11.6, v1.11.7, v1.11.8, v1.12.0, v1.12.1, v1.12.2, v1.12.3, v1.12.4, v1.13.0, v1.13.1, v1.13.2, v1.13.3, v1.2, v1.3, v1.4, v1.4.1, v1.4.2, v1.5, v1.5.1, v1.5.2, v1.6, v1.6.1, v1.6.2, v1.7, v1.7.1, v1.8, v1.8.1, v1.9, v1.9.1, v1.9.2, v1.9.3].

If you need the complete error message (it is very very very long) just ask.

About this issue

  • Original URL
  • State: closed
  • Created 6 years ago
  • Reactions: 12
  • Comments: 39 (17 by maintainers)

Most upvoted comments

👍 Also experiencing this issue.

+16
jcodo on Nov 29, 2018

👍 same issue

+13
treestonemedia on Nov 29, 2018

@Userr017 You should follow this chapter https://devdocs.magento.com/guides/v2.3/comp-mgr/cli/cli-upgrade.html

And this is my CLI:

php -f pre_composer_update_2.3.php -- --root='<path/to/magento/install/dir>' --repo=https://repo.magento.com/

+4
phuongnd on Dec 4, 2018

Have you tried updating using the pre_composer_update script? https://devdocs.magento.com/guides/v2.3/comp-mgr/cli/cli-upgrade.html

+3
jcodo on Nov 29, 2018

Workaround described in https://devdocs.magento.com/guides/v2.3/comp-mgr/cli/cli-upgrade.html#upgrade-cli-script really helps but this breaks the well known scenario.

+2
TomashKhamlai on Dec 11, 2018

Same issue! It fails upfront from the backend. It might even ask for PHP version update and you will get the below error message after you update the PHP version and when you try to upgrade to Magento ver. 2.3.

Check Component Dependency
We found conflicting component dependencies. Hide detail

Command "update" failed: Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

Problem 1
- magento/product-community-edition 2.3.0 requires magento/magento2-base 2.3.0 -> satisfiable by magento/magento2-base[2.3.0].
- Conclusion: don't install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.6|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.7|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.8|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v3.4.19|install symfony/console v4.1.6|install symfony/console v4.1.7|install symfony/console v4.1.8
- Conclusion: don't install symfony/console v4.1.2|install symfony/console v2.8.38|install symfony/console v3.4.19
- Conclusion: don't install symfony/console v4.1.3|install symfony/console v2.8.38|install symfony/console v3.4.19
- Conclusion: don't install symfony/console v4.1.4|install symfony/console v2.8.38|install symfony/console v3.4.19
- Installation request for magento/product-community-edition 2.3.0 -> satisfiable by magento/product-community-edition[2.3.0].
- Conclusion: don't install symfony/console v4.1.5|install symfony/console v2.8.38|install symfony/console v3.4.19
- Installation request for sebastian/phpcpd 2.0.4 -> satisfiable by sebastian/phpcpd[2.0.4].
- Conclusion: don't install symfony/console v3.4.18|install symfony/console v4.1.2|install symfony/console v4.1.3|install symfony/console v4.1.4|install symfony/console v4.1.5|install symfony/console v4.1.6|install symfony/console v4.1.7|install symfony/console v4.1.8
- sebastian/phpcpd 2.0.4 requires symfony/console ~2.7|^3.0 -> satisfiable by symfony/console[v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.35, v2.7.36, v2.7.37, v2.7.38, v2.7.39, v2.7.4, v2.7.40, v2.7.41, v2.7.42, v2.7.43, v2.7.44, v2.7.45, v2.7.46, v2.7.47, v2.7.48, v2.7.49, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.28, v2.8.29, v2.8.3, v2.8.30, v2.8.31, v2.8.32, v2.8.33, v2.8.34, v2.8.35, v2.8.36, v2.8.37, v2.8.38, v2.8.39, v2.8.4, v2.8.40, v2.8.41, v2.8.42, v2.8.43, v2.8.44, v2.8.45, v2.8.46, v2.8.47, v2.8.48, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9, v3.1.0, v3.1.1, v3.1.10, v3.1.2, v3.1.3, v3.1.4, v3.1.5, v3.1.6, v3.1.7, v3.1.8, v3.1.9, v3.2.0, v3.2.1, v3.2.10, v3.2.11, v3.2.12, v3.2.13, v3.2.14, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.2.6, v3.2.7, v3.2.8, v3.2.9, v3.3.0, v3.3.1, v3.3.10, v3.3.11, v3.3.12, v3.3.13, v3.3.14, v3.3.15, v3.3.16, v3.3.17, v3.3.18, v3.3.2, v3.3.3, v3.3.4, v3.3.5, v3.3.6, v3.3.7, v3.3.8, v3.3.9, v3.4.0, v3.4.1, v3.4.10, v3.4.11, v3.4.12, v3.4.13, v3.4.14, v3.4.15, v3.4.16, v3.4.17, v3.4.18, v3.4.19, v3.4.2, v3.4.3, v3.4.4, v3.4.5, v3.4.6, v3.4.7, v3.4.8, v3.4.9].
- Can only install one of: symfony/console[v4.1.0, v2.7.0].
- Can only install one of: symfony/console[v4.1.0, v2.7.1].
- Can only install one of: symfony/console[v4.1.0, v2.7.10].
- Can only install one of: symfony/console[v4.1.0, v2.7.11].
- Can only install one of: symfony/console[v4.1.0, v2.7.12].
- Can only install one of: symfony/console[v4.1.0, v2.7.13].
- Can only install one of: symfony/console[v4.1.0, v2.7.14].
- Can only install one of: symfony/console[v4.1.0, v2.7.15].
- Can only install one of: symfony/console[v4.1.0, v2.7.16].
- Can only install one of: symfony/console[v4.1.0, v2.7.17].
- Can only install one of: symfony/console[v4.1.0, v2.7.18].
- Can only install one of: symfony/console[v4.1.0, v2.7.19].
- Can only install one of: symfony/console[v4.1.0, v2.7.2].
- Can only install one of: symfony/console[v4.1.0, v2.7.20].
- Can only install one of: symfony/console[v4.1.0, v2.7.21].
- Can only install one of: symfony/console[v4.1.0, v2.7.22].
- Can only install one of: symfony/console[v4.1.0, v2.7.23].
- Can only install one of: symfony/console[v4.1.0, v2.7.24].
- Can only install one of: symfony/console[v4.1.0, v2.7.25].
- Can only install one of: symfony/console[v4.1.0, v2.7.26].
- Can only install one of: symfony/console[v4.1.0, v2.7.27].
- Can only install one of: symfony/console[v4.1.0, v2.7.28].
- Can only install one of: symfony/console[v4.1.0, v2.7.29].
- Can only install one of: symfony/console[v4.1.0, v2.7.3].
- Can only install one of: symfony/console[v4.1.0, v2.7.30].
- Can only install one of: symfony/console[v4.1.0, v2.7.31].
- Can only install one of: symfony/console[v4.1.0, v2.7.32].
- Can only install one of: symfony/console[v4.1.0, v2.7.33].
- Can only install one of: symfony/console[v4.1.0, v2.7.34].
- Can only install one of: symfony/console[v4.1.0, v2.7.35].
- Can only install one of: symfony/console[v4.1.0, v2.7.36].
- Can only install one of: symfony/console[v4.1.0, v2.7.37].
- Can only install one of: symfony/console[v4.1.0, v2.7.38].
- Can only install one of: symfony/console[v4.1.0, v2.7.39].
- Can only install one of: symfony/console[v4.1.0, v2.7.4].
- Can only install one of: symfony/console[v4.1.0, v2.7.40].
- Can only install one of: symfony/console[v4.1.0, v2.7.41].
- Can only install one of: symfony/console[v4.1.0, v2.7.42].
- Can only install one of: symfony/console[v4.1.0, v2.7.43].
- Can only install one of: symfony/console[v4.1.0, v2.7.44].
- Can only install one of: symfony/console[v4.1.0, v2.7.45].
- Can only install one of: symfony/console[v4.1.0, v2.7.46].
- Can only install one of: symfony/console[v4.1.0, v2.7.47].
- Can only install one of: symfony/console[v4.1.0, v2.7.48].
- Can only install one of: symfony/console[v4.1.0, v2.7.49].
- Can only install one of: symfony/console[v4.1.0, v2.7.5].
- Can only install one of: symfony/console[v4.1.0, v2.7.6].
- Can only install one of: symfony/console[v4.1.0, v2.7.7].
- Can only install one of: symfony/console[v4.1.0, v2.7.8].
- Can only install one of: symfony/console[v4.1.0, v2.7.9].
- Can only install one of: symfony/console[v4.1.0, v2.8.0].
- Can only install one of: symfony/console[v4.1.0, v2.8.1].
- Can only install one of: symfony/console[v4.1.0, v2.8.10].
- Can only install one of: symfony/console[v4.1.0, v2.8.11].
- Can only install one of: symfony/console[v4.1.0, v2.8.12].
- Can only install one of: symfony/console[v4.1.0, v2.8.13].
- Can only install one of: symfony/console[v4.1.0, v2.8.14].
- Can only install one of: symfony/console[v4.1.0, v2.8.15].
- Can only install one of: symfony/console[v4.1.0, v2.8.16].
- Can only install one of: symfony/console[v4.1.0, v2.8.17].
- Can only install one of: symfony/console[v4.1.0, v2.8.18].
- Can only install one of: symfony/console[v4.1.0, v2.8.19].
- Can only install one of: symfony/console[v4.1.0, v2.8.2].
- Can only install one of: symfony/console[v4.1.0, v2.8.20].
- Can only install one of: symfony/console[v4.1.0, v2.8.21].
- Can only install one of: symfony/console[v4.1.0, v2.8.22].
- Can only install one of: symfony/console[v4.1.0, v2.8.23].
- Can only install one of: symfony/console[v4.1.0, v2.8.24].
- Can only install one of: symfony/console[v4.1.0, v2.8.25].
- Can only install one of: symfony/console[v4.1.0, v2.8.26].
- Can only install one of: symfony/console[v4.1.0, v2.8.27].
- Can only install one of: symfony/console[v4.1.0, v2.8.28].
- Can only install one of: symfony/console[v4.1.0, v2.8.29].
- Can only install one of: symfony/console[v4.1.0, v2.8.3].
- Can only install one of: symfony/console[v4.1.0, v2.8.30].
- Can only install one of: symfony/console[v4.1.0, v2.8.31].
- Can only install one of: symfony/console[v4.1.0, v2.8.32].
- Can only install one of: symfony/console[v4.1.0, v2.8.33].
- Can only install one of: symfony/console[v4.1.0, v2.8.34].
- Can only install one of: symfony/console[v4.1.0, v2.8.35].
- Can only install one of: symfony/console[v4.1.0, v2.8.36].
- Can only install one of: symfony/console[v4.1.0, v2.8.37].
- Can only install one of: symfony/console[v4.1.0, v2.8.39].
- Can only install one of: symfony/console[v4.1.0, v2.8.4].
- Can only install one of: symfony/console[v4.1.0, v2.8.40].
- Can only install one of: symfony/console[v4.1.0, v2.8.41].
- Can only install one of: symfony/console[v4.1.0, v2.8.42].
- Can only install one of: symfony/console[v4.1.0, v2.8.43].
- Can only install one of: symfony/console[v4.1.0, v2.8.44].
- Can only install one of: symfony/console[v4.1.0, v2.8.45].
- Can only install one of: symfony/console[v4.1.0, v2.8.46].
- Can only install one of: symfony/console[v4.1.0, v2.8.47].
- Can only install one of: symfony/console[v4.1.0, v2.8.48].
- Can only install one of: symfony/console[v4.1.0, v2.8.5].
- Can only install one of: symfony/console[v4.1.0, v2.8.6].
- Can only install one of: symfony/console[v4.1.0, v2.8.7].
- Can only install one of: symfony/console[v4.1.0, v2.8.8].
- Can only install one of: symfony/console[v4.1.0, v2.8.9].
- Can only install one of: symfony/console[v4.1.0, v3.0.0].
- Can only install one of: symfony/console[v4.1.0, v3.0.1].
- Can only install one of: symfony/console[v4.1.0, v3.0.2].
- Can only install one of: symfony/console[v4.1.0, v3.0.3].
- Can only install one of: symfony/console[v4.1.0, v3.0.4].
- Can only install one of: symfony/console[v4.1.0, v3.0.5].
- Can only install one of: symfony/console[v4.1.0, v3.0.6].
- Can only install one of: symfony/console[v4.1.0, v3.0.7].
- Can only install one of: symfony/console[v4.1.0, v3.0.8].
- Can only install one of: symfony/console[v4.1.0, v3.0.9].
- Can only install one of: symfony/console[v4.1.0, v3.1.0].
- Can only install one of: symfony/console[v4.1.0, v3.1.1].
- Can only install one of: symfony/console[v4.1.0, v3.1.10].
- Can only install one of: symfony/console[v4.1.0, v3.1.2].
- Can only install one of: symfony/console[v4.1.0, v3.1.3].
- Can only install one of: symfony/console[v4.1.0, v3.1.4].
- Can only install one of: symfony/console[v4.1.0, v3.1.5].
- Can only install one of: symfony/console[v4.1.0, v3.1.6].
- Can only install one of: symfony/console[v4.1.0, v3.1.7].
- Can only install one of: symfony/console[v4.1.0, v3.1.8].
- Can only install one of: symfony/console[v4.1.0, v3.1.9].
- Can only install one of: symfony/console[v4.1.0, v3.2.0].
- Can only install one of: symfony/console[v4.1.0, v3.2.1].
- Can only install one of: symfony/console[v4.1.0, v3.2.10].
- Can only install one of: symfony/console[v4.1.0, v3.2.11].
- Can only install one of: symfony/console[v4.1.0, v3.2.12].
- Can only install one of: symfony/console[v4.1.0, v3.2.13].
- Can only install one of: symfony/console[v4.1.0, v3.2.14].
- Can only install one of: symfony/console[v4.1.0, v3.2.2].
- Can only install one of: symfony/console[v4.1.0, v3.2.3].
- Can only install one of: symfony/console[v4.1.0, v3.2.4].
- Can only install one of: symfony/console[v4.1.0, v3.2.5].
- Can only install one of: symfony/console[v4.1.0, v3.2.6].
- Can only install one of: symfony/console[v4.1.0, v3.2.7].
- Can only install one of: symfony/console[v4.1.0, v3.2.8].
- Can only install one of: symfony/console[v4.1.0, v3.2.9].
- Can only install one of: symfony/console[v4.1.0, v3.3.0].
- Can only install one of: symfony/console[v4.1.0, v3.3.1].
- Can only install one of: symfony/console[v4.1.0, v3.3.10].
- Can only install one of: symfony/console[v4.1.0, v3.3.11].
- Can only install one of: symfony/console[v4.1.0, v3.3.12].
- Can only install one of: symfony/console[v4.1.0, v3.3.13].
- Can only install one of: symfony/console[v4.1.0, v3.3.14].
- Can only install one of: symfony/console[v4.1.0, v3.3.15].
- Can only install one of: symfony/console[v4.1.0, v3.3.16].
- Can only install one of: symfony/console[v4.1.0, v3.3.17].
- Can only install one of: symfony/console[v4.1.0, v3.3.18].
- Can only install one of: symfony/console[v4.1.0, v3.3.2].
- Can only install one of: symfony/console[v4.1.0, v3.3.3].
- Can only install one of: symfony/console[v4.1.0, v3.3.4].
- Can only install one of: symfony/console[v4.1.0, v3.3.5].
- Can only install one of: symfony/console[v4.1.0, v3.3.6].
- Can only install one of: symfony/console[v4.1.0, v3.3.7].
- Can only install one of: symfony/console[v4.1.0, v3.3.8].
- Can only install one of: symfony/console[v4.1.0, v3.3.9].
- Can only install one of: symfony/console[v4.1.0, v3.4.0].
- Can only install one of: symfony/console[v4.1.0, v3.4.1].
- Can only install one of: symfony/console[v4.1.0, v3.4.10].
- Can only install one of: symfony/console[v4.1.0, v3.4.11].
- Can only install one of: symfony/console[v4.1.0, v3.4.12].
- Can only install one of: symfony/console[v4.1.0, v3.4.13].
- Can only install one of: symfony/console[v4.1.0, v3.4.14].
- Can only install one of: symfony/console[v4.1.0, v3.4.15].
- Can only install one of: symfony/console[v4.1.0, v3.4.16].
- Can only install one of: symfony/console[v4.1.0, v3.4.17].
- Can only install one of: symfony/console[v4.1.0, v3.4.2].
- Can only install one of: symfony/console[v4.1.0, v3.4.3].
- Can only install one of: symfony/console[v4.1.0, v3.4.4].
- Can only install one of: symfony/console[v4.1.0, v3.4.5].
- Can only install one of: symfony/console[v4.1.0, v3.4.6].
- Can only install one of: symfony/console[v4.1.0, v3.4.7].
- Can only install one of: symfony/console[v4.1.0, v3.4.8].
- Can only install one of: symfony/console[v4.1.0, v3.4.9].
- magento/magento2-base 2.3.0 requires symfony/console ~4.1.0 -> satisfiable by symfony/console[v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8].
- Conclusion: don't install symfony/console v4.1.1|install symfony/console v2.8.38|install symfony/console v3.4.18|install symfony/console v3.4.19
+2
wd7080 on Nov 30, 2018

@DanielRuf @drdreamm @abcpremium Can you try running pre_composer_update_2.3.php with the additional option --repo=https://repo.magento.com/ and see if that solves your issue? Thanks

+1
pdohogne-magento on Dec 3, 2018

I found this two answers for this problem: 1. composer require --dev phpunit/phpunit:~6.2.0 friendsofphp/php-cs-fixer:~2.10.1 lusitanian/oauth:~0.8.10 pdepend/pdepend:2.5.2 sebastian/phpcpd:~3.0.0 squizlabs/php_codesniffer:3.2.2 --no-update or 2. composer install composer update

+1
tomzolka on Nov 30, 2018

Same Issue here…

Command "update" failed: Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

Problem 1
- magento/product-community-edition 2.3.0 requires magento/magento2-base 2.3.0 -> satisfiable by magento/magento2-base[2.3.0].
- Conclusion: don't install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.4|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.5|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.6|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v4.1.7|install symfony/console v2.8.38
- Installation request for magento/product-community-edition 2.3.0 -> satisfiable by magento/product-community-edition[2.3.0].
- Conclusion: don't install symfony/console v4.1.8|install symfony/console v2.8.38
- Conclusion: don't install symfony/console v3.4.19|install symfony/console v4.1.4|install symfony/console v4.1.5|install symfony/console v4.1.6|install symfony/console v4.1.7|install symfony/console v4.1.8
- Conclusion: don't install symfony/console v4.1.1|install symfony/console v2.8.38|install symfony/console v3.4.19
- Installation request for sebastian/phpcpd 2.0.4 -> satisfiable by sebastian/phpcpd[2.0.4].
- Conclusion: don't install symfony/console v4.1.3|install symfony/console v2.8.38|install symfony/console v3.4.19
- sebastian/phpcpd 2.0.4 requires symfony/console ~2.7|^3.0 -> satisfiable by symfony/console[v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.35, v2.7.36, v2.7.37, v2.7.38, v2.7.39, v2.7.4, v2.7.40, v2.7.41, v2.7.42, v2.7.43, v2.7.44, v2.7.45, v2.7.46, v2.7.47, v2.7.48, v2.7.49, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.28, v2.8.29, v2.8.3, v2.8.30, v2.8.31, v2.8.32, v2.8.33, v2.8.34, v2.8.35, v2.8.36, v2.8.37, v2.8.38, v2.8.39, v2.8.4, v2.8.40, v2.8.41, v2.8.42, v2.8.43, v2.8.44, v2.8.45, v2.8.46, v2.8.47, v2.8.48, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9, v3.1.0, v3.1.1, v3.1.10, v3.1.2, v3.1.3, v3.1.4, v3.1.5, v3.1.6, v3.1.7, v3.1.8, v3.1.9, v3.2.0, v3.2.1, v3.2.10, v3.2.11, v3.2.12, v3.2.13, v3.2.14, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.2.6, v3.2.7, v3.2.8, v3.2.9, v3.3.0, v3.3.1, v3.3.10, v3.3.11, v3.3.12, v3.3.13, v3.3.14, v3.3.15, v3.3.16, v3.3.17, v3.3.18, v3.3.2, v3.3.3, v3.3.4, v3.3.5, v3.3.6, v3.3.7, v3.3.8, v3.3.9, v3.4.0, v3.4.1, v3.4.10, v3.4.11, v3.4.12, v3.4.13, v3.4.14, v3.4.15, v3.4.16, v3.4.17, v3.4.18, v3.4.19, v3.4.2, v3.4.3, v3.4.4, v3.4.5, v3.4.6, v3.4.7, v3.4.8, v3.4.9].
- Can only install one of: symfony/console[v4.1.0, v2.7.0].
- Can only install one of: symfony/console[v4.1.0, v2.7.1].
- Can only install one of: symfony/console[v4.1.0, v2.7.10].
- Can only install one of: symfony/console[v4.1.0, v2.7.11].
- Can only install one of: symfony/console[v4.1.0, v2.7.12].
- Can only install one of: symfony/console[v4.1.0, v2.7.13].
- Can only install one of: symfony/console[v4.1.0, v2.7.14].
- Can only install one of: symfony/console[v4.1.0, v2.7.15].
- Can only install one of: symfony/console[v4.1.0, v2.7.16].
- Can only install one of: symfony/console[v4.1.0, v2.7.17].
- Can only install one of: symfony/console[v4.1.0, v2.7.18].
- Can only install one of: symfony/console[v4.1.0, v2.7.19].
- Can only install one of: symfony/console[v4.1.0, v2.7.2].
- Can only install one of: symfony/console[v4.1.0, v2.7.20].
- Can only install one of: symfony/console[v4.1.0, v2.7.21].
- Can only install one of: symfony/console[v4.1.0, v2.7.22].
- Can only install one of: symfony/console[v4.1.0, v2.7.23].
- Can only install one of: symfony/console[v4.1.0, v2.7.24].
- Can only install one of: symfony/console[v4.1.0, v2.7.25].
- Can only install one of: symfony/console[v4.1.0, v2.7.26].
- Can only install one of: symfony/console[v4.1.0, v2.7.27].
- Can only install one of: symfony/console[v4.1.0, v2.7.28].
- Can only install one of: symfony/console[v4.1.0, v2.7.29].
- Can only install one of: symfony/console[v4.1.0, v2.7.3].
- Can only install one of: symfony/console[v4.1.0, v2.7.30].
- Can only install one of: symfony/console[v4.1.0, v2.7.31].
- Can only install one of: symfony/console[v4.1.0, v2.7.32].
- Can only install one of: symfony/console[v4.1.0, v2.7.33].
- Can only install one of: symfony/console[v4.1.0, v2.7.34].
- Can only install one of: symfony/console[v4.1.0, v2.7.35].
- Can only install one of: symfony/console[v4.1.0, v2.7.36].
- Can only install one of: symfony/console[v4.1.0, v2.7.37].
- Can only install one of: symfony/console[v4.1.0, v2.7.38].
- Can only install one of: symfony/console[v4.1.0, v2.7.39].
- Can only install one of: symfony/console[v4.1.0, v2.7.4].
- Can only install one of: symfony/console[v4.1.0, v2.7.40].
- Can only install one of: symfony/console[v4.1.0, v2.7.41].
- Can only install one of: symfony/console[v4.1.0, v2.7.42].
- Can only install one of: symfony/console[v4.1.0, v2.7.43].
- Can only install one of: symfony/console[v4.1.0, v2.7.44].
- Can only install one of: symfony/console[v4.1.0, v2.7.45].
- Can only install one of: symfony/console[v4.1.0, v2.7.46].
- Can only install one of: symfony/console[v4.1.0, v2.7.47].
- Can only install one of: symfony/console[v4.1.0, v2.7.48].
- Can only install one of: symfony/console[v4.1.0, v2.7.49].
- Can only install one of: symfony/console[v4.1.0, v2.7.5].
- Can only install one of: symfony/console[v4.1.0, v2.7.6].
- Can only install one of: symfony/console[v4.1.0, v2.7.7].
- Can only install one of: symfony/console[v4.1.0, v2.7.8].
- Can only install one of: symfony/console[v4.1.0, v2.7.9].
- Can only install one of: symfony/console[v4.1.0, v2.8.0].
- Can only install one of: symfony/console[v4.1.0, v2.8.1].
- Can only install one of: symfony/console[v4.1.0, v2.8.10].
- Can only install one of: symfony/console[v4.1.0, v2.8.11].
- Can only install one of: symfony/console[v4.1.0, v2.8.12].
- Can only install one of: symfony/console[v4.1.0, v2.8.13].
- Can only install one of: symfony/console[v4.1.0, v2.8.14].
- Can only install one of: symfony/console[v4.1.0, v2.8.15].
- Can only install one of: symfony/console[v4.1.0, v2.8.16].
- Can only install one of: symfony/console[v4.1.0, v2.8.17].
- Can only install one of: symfony/console[v4.1.0, v2.8.18].
- Can only install one of: symfony/console[v4.1.0, v2.8.19].
- Can only install one of: symfony/console[v4.1.0, v2.8.2].
- Can only install one of: symfony/console[v4.1.0, v2.8.20].
- Can only install one of: symfony/console[v4.1.0, v2.8.21].
- Can only install one of: symfony/console[v4.1.0, v2.8.22].
- Can only install one of: symfony/console[v4.1.0, v2.8.23].
- Can only install one of: symfony/console[v4.1.0, v2.8.24].
- Can only install one of: symfony/console[v4.1.0, v2.8.25].
- Can only install one of: symfony/console[v4.1.0, v2.8.26].
- Can only install one of: symfony/console[v4.1.0, v2.8.27].
- Can only install one of: symfony/console[v4.1.0, v2.8.28].
- Can only install one of: symfony/console[v4.1.0, v2.8.29].
- Can only install one of: symfony/console[v4.1.0, v2.8.3].
- Can only install one of: symfony/console[v4.1.0, v2.8.30].
- Can only install one of: symfony/console[v4.1.0, v2.8.31].
- Can only install one of: symfony/console[v4.1.0, v2.8.32].
- Can only install one of: symfony/console[v4.1.0, v2.8.33].
- Can only install one of: symfony/console[v4.1.0, v2.8.34].
- Can only install one of: symfony/console[v4.1.0, v2.8.35].
- Can only install one of: symfony/console[v4.1.0, v2.8.36].
- Can only install one of: symfony/console[v4.1.0, v2.8.37].
- Can only install one of: symfony/console[v4.1.0, v2.8.39].
- Can only install one of: symfony/console[v4.1.0, v2.8.4].
- Can only install one of: symfony/console[v4.1.0, v2.8.40].
- Can only install one of: symfony/console[v4.1.0, v2.8.41].
- Can only install one of: symfony/console[v4.1.0, v2.8.42].
- Can only install one of: symfony/console[v4.1.0, v2.8.43].
- Can only install one of: symfony/console[v4.1.0, v2.8.44].
- Can only install one of: symfony/console[v4.1.0, v2.8.45].
- Can only install one of: symfony/console[v4.1.0, v2.8.46].
- Can only install one of: symfony/console[v4.1.0, v2.8.47].
- Can only install one of: symfony/console[v4.1.0, v2.8.48].
- Can only install one of: symfony/console[v4.1.0, v2.8.5].
- Can only install one of: symfony/console[v4.1.0, v2.8.6].
- Can only install one of: symfony/console[v4.1.0, v2.8.7].
- Can only install one of: symfony/console[v4.1.0, v2.8.8].
- Can only install one of: symfony/console[v4.1.0, v2.8.9].
- Can only install one of: symfony/console[v4.1.0, v3.0.0].
- Can only install one of: symfony/console[v4.1.0, v3.0.1].
- Can only install one of: symfony/console[v4.1.0, v3.0.2].
- Can only install one of: symfony/console[v4.1.0, v3.0.3].
- Can only install one of: symfony/console[v4.1.0, v3.0.4].
- Can only install one of: symfony/console[v4.1.0, v3.0.5].
- Can only install one of: symfony/console[v4.1.0, v3.0.6].
- Can only install one of: symfony/console[v4.1.0, v3.0.7].
- Can only install one of: symfony/console[v4.1.0, v3.0.8].
- Can only install one of: symfony/console[v4.1.0, v3.0.9].
- Can only install one of: symfony/console[v4.1.0, v3.1.0].
- Can only install one of: symfony/console[v4.1.0, v3.1.1].
- Can only install one of: symfony/console[v4.1.0, v3.1.10].
- Can only install one of: symfony/console[v4.1.0, v3.1.2].
- Can only install one of: symfony/console[v4.1.0, v3.1.3].
- Can only install one of: symfony/console[v4.1.0, v3.1.4].
- Can only install one of: symfony/console[v4.1.0, v3.1.5].
- Can only install one of: symfony/console[v4.1.0, v3.1.6].
- Can only install one of: symfony/console[v4.1.0, v3.1.7].
- Can only install one of: symfony/console[v4.1.0, v3.1.8].
- Can only install one of: symfony/console[v4.1.0, v3.1.9].
- Can only install one of: symfony/console[v4.1.0, v3.2.0].
- Can only install one of: symfony/console[v4.1.0, v3.2.1].
- Can only install one of: symfony/console[v4.1.0, v3.2.10].
- Can only install one of: symfony/console[v4.1.0, v3.2.11].
- Can only install one of: symfony/console[v4.1.0, v3.2.12].
- Can only install one of: symfony/console[v4.1.0, v3.2.13].
- Can only install one of: symfony/console[v4.1.0, v3.2.14].
- Can only install one of: symfony/console[v4.1.0, v3.2.2].
- Can only install one of: symfony/console[v4.1.0, v3.2.3].
- Can only install one of: symfony/console[v4.1.0, v3.2.4].
- Can only install one of: symfony/console[v4.1.0, v3.2.5].
- Can only install one of: symfony/console[v4.1.0, v3.2.6].
- Can only install one of: symfony/console[v4.1.0, v3.2.7].
- Can only install one of: symfony/console[v4.1.0, v3.2.8].
- Can only install one of: symfony/console[v4.1.0, v3.2.9].
- Can only install one of: symfony/console[v4.1.0, v3.3.0].
- Can only install one of: symfony/console[v4.1.0, v3.3.1].
- Can only install one of: symfony/console[v4.1.0, v3.3.10].
- Can only install one of: symfony/console[v4.1.0, v3.3.11].
- Can only install one of: symfony/console[v4.1.0, v3.3.12].
- Can only install one of: symfony/console[v4.1.0, v3.3.13].
- Can only install one of: symfony/console[v4.1.0, v3.3.14].
- Can only install one of: symfony/console[v4.1.0, v3.3.15].
- Can only install one of: symfony/console[v4.1.0, v3.3.16].
- Can only install one of: symfony/console[v4.1.0, v3.3.17].
- Can only install one of: symfony/console[v4.1.0, v3.3.18].
- Can only install one of: symfony/console[v4.1.0, v3.3.2].
- Can only install one of: symfony/console[v4.1.0, v3.3.3].
- Can only install one of: symfony/console[v4.1.0, v3.3.4].
- Can only install one of: symfony/console[v4.1.0, v3.3.5].
- Can only install one of: symfony/console[v4.1.0, v3.3.6].
- Can only install one of: symfony/console[v4.1.0, v3.3.7].
- Can only install one of: symfony/console[v4.1.0, v3.3.8].
- Can only install one of: symfony/console[v4.1.0, v3.3.9].
- Can only install one of: symfony/console[v4.1.0, v3.4.0].
- Can only install one of: symfony/console[v4.1.0, v3.4.1].
- Can only install one of: symfony/console[v4.1.0, v3.4.10].
- Can only install one of: symfony/console[v4.1.0, v3.4.11].
- Can only install one of: symfony/console[v4.1.0, v3.4.12].
- Can only install one of: symfony/console[v4.1.0, v3.4.13].
- Can only install one of: symfony/console[v4.1.0, v3.4.14].
- Can only install one of: symfony/console[v4.1.0, v3.4.15].
- Can only install one of: symfony/console[v4.1.0, v3.4.16].
- Can only install one of: symfony/console[v4.1.0, v3.4.17].
- Can only install one of: symfony/console[v4.1.0, v3.4.18].
- Can only install one of: symfony/console[v4.1.0, v3.4.2].
- Can only install one of: symfony/console[v4.1.0, v3.4.3].
- Can only install one of: symfony/console[v4.1.0, v3.4.4].
- Can only install one of: symfony/console[v4.1.0, v3.4.5].
- Can only install one of: symfony/console[v4.1.0, v3.4.6].
- Can only install one of: symfony/console[v4.1.0, v3.4.7].
- Can only install one of: symfony/console[v4.1.0, v3.4.8].
- Can only install one of: symfony/console[v4.1.0, v3.4.9].
- magento/magento2-base 2.3.0 requires symfony/console ~4.1.0 -> satisfiable by symfony/console[v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8].
- Conclusion: don't install symfony/console v4.1.2|install symfony/console v2.8.38|install symfony/console v3.4.19
+1
ramindas on Nov 30, 2018

@engcom-backlog-nazar Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-96731 were created

+1
magento-engcom-team on Nov 29, 2018
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