Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventDispatcherInterface' not found in /home/telemeduser/public_html/AOCN-IANCON-2022/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:30 Stack trace: #0 {main} thrown in /home/telemeduser/public_html/AOCN-IANCON-2022/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php on line 30