Deprecated: Symfony\Component\Routing\Loader\Configurator\CollectionConfigurator::__construct(): Implicitly marking parameter $parentConfigurator as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\routing\Loader\Configurator\CollectionConfigurator.php on line 31

Deprecated: Symfony\Component\Routing\Loader\Configurator\CollectionConfigurator::__construct(): Implicitly marking parameter $parentPrefixes as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\symfony\routing\Loader\Configurator\CollectionConfigurator.php on line 31

Fatal error: Trait "Symfony\Component\Routing\Loader\Configurator\Traits\AddTrait" not found in C:\Apache24\htdocs\invitation-app\vendor\symfony\routing\Loader\Configurator\CollectionConfigurator.php on line 20