Fatal error: Uncaught Error: Class "Doctrine\ORM\Event\LifecycleEventArgs" not found in /var/www/crm_killing_ninja/vendor/doctrine/orm/src/Event/PreRemoveEventArgs.php:7 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/doctrine/orm/src/Event/PreRemoveEventArgs.php on line 7