Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/http-kernel/Debug/TraceableEventDispatcher.php:24 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/http-kernel/Debug/TraceableEventDispatcher.php on line 24