Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in /home/microfrlnn/espace-pro/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnFlushEventArgs.php:31 Stack trace: #0 {main} thrown in /home/microfrlnn/espace-pro/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnFlushEventArgs.php on line 31