Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/dwtechco/public_html/vendor/zikula/extensions-module/Listener/ExtensionHelpListener.php:31 Stack trace: #0 {main} thrown in /home/dwtechco/public_html/vendor/zikula/extensions-module/Listener/ExtensionHelpListener.php on line 31