Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\OnClearEventArgs.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\doctrine\persistence\lib\Doctrine\Persistence\Event\OnClearEventArgs.php on line 12