Fatal error: Uncaught Error: Class 'Doctrine\Common\Persistence\Event\ManagerEventArgs' not found in C:\Landaweb\webs\serverarcos\vendor\doctrine\orm\lib\Doctrine\ORM\Event\OnClassMetadataNotFoundEventArgs.php:35 Stack trace: #0 {main} thrown in C:\Landaweb\webs\serverarcos\vendor\doctrine\orm\lib\Doctrine\ORM\Event\OnClassMetadataNotFoundEventArgs.php on line 35