Deprecated: Symfony\Component\EventDispatcher\EventDispatcherInterface::getListeners(): Implicitly marking parameter $eventName as nullable is deprecated, the explicit nullable type must be used instead in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\event-dispatcher\EventDispatcherInterface.php on line 62

Deprecated: Symfony\Component\EventDispatcher\EventDispatcherInterface::hasListeners(): Implicitly marking parameter $eventName as nullable is deprecated, the explicit nullable type must be used instead in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\event-dispatcher\EventDispatcherInterface.php on line 74

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