SonataAdminBundle: Template not found list_outer_rows_tree.html.twig

Environment

MacOS Sierra / XAMPP

Sonata packages

$ composer show sonata-project/*
sonata-project/admin-bundle              3.10.3 The missing Symfony Admin Generator
sonata-project/block-bundle              3.2.0  Symfony SonataBlockBundle
sonata-project/cache                     1.0.7  Cache library
sonata-project/classification-bundle     3.2.0  Symfony SonataClassificationBundle
sonata-project/core-bundle               3.1.2  Symfony SonataCoreBundle
sonata-project/datagrid-bundle           2.2    Symfony SonataDatagridBundle
sonata-project/doctrine-extensions       1.0.2  Doctrine2 behavioral extensions
sonata-project/doctrine-orm-admin-bundle 3.1.2  Symfony Sonata / Integrate Doctrine ORM into the SonataAdminBundle
sonata-project/easy-extends-bundle       2.1.10 Symfony SonataEasyExtendsBundle
sonata-project/exporter                  1.7.0  Lightweight Exporter library
sonata-project/google-authenticator      1.0.2  Library to integrate Google Authenticator into a PHP project
sonata-project/intl-bundle               2.2.4  Symfony SonataIntlBundle
sonata-project/media-bundle              3.3.0  Symfony SonataMediaBundle
sonata-project/notification-bundle       3.0.0  Symfony SonataNotificationBundle
sonata-project/user-bundle               3.2.0  Symfony SonataUserBundle

Symfony packages

$ composer show symfony/*
symfony/monolog-bundle     v2.12.1 Symfony MonologBundle
symfony/phpunit-bridge     v2.8.15 Symfony PHPUnit Bridge
symfony/polyfill-apcu      v1.3.0  Symfony polyfill backporting apcu_* functions to lower PHP versions
symfony/polyfill-intl-icu  v1.3.0  Symfony polyfill for intl's ICU-related data and classes
symfony/polyfill-mbstring  v1.3.0  Symfony polyfill for the Mbstring extension
symfony/polyfill-php54     v1.3.0  Symfony polyfill backporting some PHP 5.4+ features to lower PHP versions
symfony/polyfill-php55     v1.3.0  Symfony polyfill backporting some PHP 5.5+ features to lower PHP versions
symfony/polyfill-php56     v1.3.0  Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions
symfony/polyfill-php70     v1.3.0  Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions
symfony/polyfill-util      v1.3.0  Symfony utilities for portability of PHP codes
symfony/security-acl       v3.0.0  Symfony Security Component - ACL (Access Control List)
symfony/swiftmailer-bundle v2.4.2  Symfony SwiftmailerBundle
symfony/symfony            v2.8.15 The Symfony PHP framework

PHP version

$ php -v
PHP 5.6.27 (cli) (built: Oct 23 2016 11:47:58) 
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies

Subject

Steps to reproduce

Download the 3.x branch and try to find the template under the defined location. This location is specified in the config yaml (https://sonata-project.org/bundles/admin/master/doc/reference/configuration.html).

Expected results

The template should be there.

Actual results

Unable to find template “SonataAdminBundle:CRUD:list_outer_rows_tree.html.twig” (looked into: /Users////app/Resources/views, /Users////vendor/symfony/symfony/src/Symfony/Bridge/Twig/Resources/views/Form, /Users///***/vendor/knplabs/knp-menu/src/Knp/Menu/Resources/views) in SonataAdminBundle:CRUD:base_list.html.twig at line 76.