Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/dwtechco/public_html/vendor/zikula/theme-module/EventListener/ExceptionListener.php:25 Stack trace: #0 {main} thrown in /home/dwtechco/public_html/vendor/zikula/theme-module/EventListener/ExceptionListener.php on line 25