Fatal error: Uncaught Error: Class 'Doctrine\Persistence\Event\LifecycleEventArgs' not found in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Event/LifecycleEventArgs.php:16 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Event/LifecycleEventArgs.php on line 16