Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/eui9b4xs/public_html/dfy/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php:41 Stack trace: #0 {main} thrown in /home/eui9b4xs/public_html/dfy/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php on line 41