Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /var/www/html/usophy/vendor/symfony/psr-http-message-bridge/EventListener/PsrResponseListener.php:18 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/symfony/psr-http-message-bridge/EventListener/PsrResponseListener.php on line 18