Fatal error: Uncaught Error: Class 'Doctrine\ORM\Event\LifecycleEventArgs' not found in C:\Apache24\htdocs\cwlms\vendor\doctrine\orm\lib\Doctrine\ORM\Event\PreUpdateEventArgs.php:32 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\doctrine\orm\lib\Doctrine\ORM\Event\PreUpdateEventArgs.php on line 32