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