Fatal error: Uncaught Error: Class 'Doctrine\Common\Persistence\Event\LifecycleEventArgs' not found in /home/app/htdocs/ninja/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Event/PreUpdateEventArgs.php:32 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Event/PreUpdateEventArgs.php on line 32