Fatal error: Uncaught Error: Class 'Doctrine\Common\EventManager' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\doctrine-bridge\ContainerAwareEventManager.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\doctrine-bridge\ContainerAwareEventManager.php on line 23