cmssw: DiMuonMassBiasClient does not support concurrent lumis

Many workflows in CMSSW_12_5_X_2022-08-24-1100 fail with

----- Begin Fatal Exception 24-Aug-2022 15:57:39 CEST-----------------------
An exception of category 'ModulesSynchingOnLumis' occurred while
   [0] Calling beginJob
Exception Message:
The framework is configured to use at least two streams, but the following modules
require synchronizing on LuminosityBlock boundaries:
  DiMuonMassBiasClient ALCARECOTkAlDiMuonMassBiasClient

The situation can be fixed by either
 * modifying the modules to support concurrent LuminosityBlocks (preferred), or
 * setting 'process.options.numberOfConcurrentLuminosityBlocks = 1' in the configuration file
----- End Fatal Exception -------------------------------------------------

About this issue

  • Original URL
  • State: closed
  • Created 2 years ago
  • Comments: 16 (16 by maintainers)

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