Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/http-kernel/EventListener/ExceptionListener.php:31 Stack trace: #0 {main} thrown in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/http-kernel/EventListener/ExceptionListener.php on line 31