Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/smagamf/chloe_garden/vendor/symfony/security-bundle/Tests/Functional/Bundle/EventBundle/EventSubscriber/TestSubscriber.php:20 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/symfony/security-bundle/Tests/Functional/Bundle/EventBundle/EventSubscriber/TestSubscriber.php on line 20