Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in C:\Landaweb\webs\serverarcos\vendor\doctrine\common\lib\Doctrine\Common\Persistence\Event\ManagerEventArgs.php:33 Stack trace: #0 {main} thrown in C:\Landaweb\webs\serverarcos\vendor\doctrine\common\lib\Doctrine\Common\Persistence\Event\ManagerEventArgs.php on line 33