Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher" not found in T:\Xampp\htdocs\notice\vendor\symfony\http-kernel\Debug\TraceableEventDispatcher.php:24 Stack trace: #0 {main} thrown in T:\Xampp\htdocs\notice\vendor\symfony\http-kernel\Debug\TraceableEventDispatcher.php on line 24