Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/ntpcbgtpp/public_html/mat1/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php:31 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php on line 31