Deprecated: Symfony\Component\EventDispatcher\EventDispatcherInterface::getListeners(): Implicitly marking parameter $eventName as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\laravel\example-app\vendor\symfony\event-dispatcher\EventDispatcherInterface.php on line 53

Deprecated: Symfony\Component\EventDispatcher\EventDispatcherInterface::hasListeners(): Implicitly marking parameter $eventName as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\laravel\example-app\vendor\symfony\event-dispatcher\EventDispatcherInterface.php on line 65

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