( ! ) Deprecated: Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter::__construct(): Implicitly marking parameter $roleHierarchy as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authorization\Voter\ExpressionVoter.php on line 39

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authorization\Voter\VoterInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authorization\Voter\ExpressionVoter.php on line 29
( ! ) Error: Interface "Symfony\Component\Security\Core\Authorization\Voter\VoterInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authorization\Voter\ExpressionVoter.php on line 29
Call Stack
#	Time	Memory	Function	Location
1	0.0022	400144	{main}( )	...\ExpressionVoter.php:0