Fatal error: Uncaught Error: Interface "Doctrine\Common\EventSubscriber" not found in /var/www/html/API_Forum/vendor/doctrine/doctrine-bundle/src/EventSubscriber/EventSubscriberInterface.php:8 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/doctrine/doctrine-bundle/src/EventSubscriber/EventSubscriberInterface.php on line 8