( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait::file(): Implicitly marking parameter $fileName as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Controller\ControllerTrait.php on line 142

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait::render(): Implicitly marking parameter $response as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Controller\ControllerTrait.php on line 226

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait::stream(): Implicitly marking parameter $response as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Controller\ControllerTrait.php on line 252

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait::createNotFoundException(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Controller\ControllerTrait.php on line 290

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait::createAccessDeniedException(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Controller\ControllerTrait.php on line 306