Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\LoadClassMetadataEventArgs.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\LoadClassMetadataEventArgs.php on line 13