Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in C:\Apache24\htdocs\cw\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcherInterface.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcherInterface.php on line 23