Deprecated: Symfony\Component\HttpKernel\EventListener\AbstractSessionListener::__construct(): Implicitly marking parameter $container as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\AbstractSessionListener.php on line 53

Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\AbstractSessionListener.php:41 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\invitation-app\vendor\symfony\http-kernel\EventListener\AbstractSessionListener.php on line 41