Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in C:\Apache24\htdocs\cw\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\ManagerEventArgs.php:12 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\ManagerEventArgs.php on line 12