Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventDispatcherInterface' not found in /home/webdemo/public_html/suivi_consommation/backend/vendor/symfony/event-dispatcher/EventDispatcher.php:32 Stack trace: #0 {main} thrown in /home/webdemo/public_html/suivi_consommation/backend/vendor/symfony/event-dispatcher/EventDispatcher.php on line 32