Fatal error: Uncaught Error: Interface "League\Event\ListenerInterface" not found in /home/iunowfun/public_html/Webpanel2.3/vendor/league/event/src/OneTimeListener.php:5
Stack trace:
#0 {main}
thrown in /home/iunowfun/public_html/Webpanel2.3/vendor/league/event/src/OneTimeListener.php on line 5