Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Event/PostFlushEventArgs.php:15 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Event/PostFlushEventArgs.php on line 15