Deprecated: Symfony\Component\HttpKernel\EventListener\RouterListener::__construct(): Implicitly marking parameter $context as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\RouterListener.php on line 56

Deprecated: Symfony\Component\HttpKernel\EventListener\RouterListener::__construct(): Implicitly marking parameter $logger as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\RouterListener.php on line 56

Deprecated: Symfony\Component\HttpKernel\EventListener\RouterListener::__construct(): Implicitly marking parameter $projectDir as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\RouterListener.php on line 56

Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\RouterListener.php:42 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\RouterListener.php on line 42