( ! ) Deprecated: Symfony\Component\Validator\Validator\RecursiveContextualValidator::validateClassNode(): Implicitly marking parameter $metadata as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 440

( ! ) Deprecated: Symfony\Component\Validator\Validator\RecursiveContextualValidator::validateGenericNode(): Implicitly marking parameter $metadata as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 619

( ! ) Deprecated: Symfony\Component\Validator\Validator\RecursiveContextualValidator::stepThroughGroupSequence(): Implicitly marking parameter $metadata as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 727

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Validator\ContextualValidatorInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 41
( ! ) Error: Interface "Symfony\Component\Validator\Validator\ContextualValidatorInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 41
Call Stack
#	Time	Memory	Function	Location
1	0.0244	483376	{main}( )	...\RecursiveContextualValidator.php:0