Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface" not found in I:\www\frameworks\Laravel\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php:33 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php on line 33