Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in /home/tubu/public_html/Opigno_D9_kedecs/opigno-composer/vendor/symfony/event-dispatcher/EventDispatcher.php:33 Stack trace: #0 {main} thrown in /home/tubu/public_html/Opigno_D9_kedecs/opigno-composer/vendor/symfony/event-dispatcher/EventDispatcher.php on line 33