Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/slytcjg/www/editions/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php:32 Stack trace: #0 {main} thrown in /home/slytcjg/www/editions/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php on line 32