Fatal error: Uncaught Error: Class "Symfony\Component\Messenger\Tests\Fixtures\DummyMessage" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/messenger/Tests/Fixtures/ChildDummyMessage.php:14 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/messenger/Tests/Fixtures/ChildDummyMessage.php on line 14