Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/benjamincb/demos/acdg/vendor/symfony/notifier/EventListener/SendFailedMessageToNotifierListener.php:24 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/symfony/notifier/EventListener/SendFailedMessageToNotifierListener.php on line 24