Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface" not found in D:\Application\www\E-Tracking\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php:27 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php on line 27