Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/rwebserver/public_html/mmei/vendor/symfony/http-kernel/EventListener/ErrorListener.php:34 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/mmei/vendor/symfony/http-kernel/EventListener/ErrorListener.php on line 34