Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/benjamincb/demos/acdg/vendor/symfony/web-profiler-bundle/EventListener/WebDebugToolbarListener.php:38 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/symfony/web-profiler-bundle/EventListener/WebDebugToolbarListener.php on line 38