Fatal error: Uncaught Error: Class "Doctrine\Persistence\Event\LifecycleEventArgs" not found in C:\Apache24\htdocs\cms_upgrade\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\PreUpdateEventArgs.php:14 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\PreUpdateEventArgs.php on line 14