( ! ) Deprecated: Symfony\Component\Security\Core\Authentication\Provider\SimpleAuthenticationProvider::__construct(): Implicitly marking parameter $userChecker as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authentication\Provider\SimpleAuthenticationProvider.php on line 36

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authentication\Provider\SimpleAuthenticationProvider.php on line 29
( ! ) Error: Interface "Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\security-core\Authentication\Provider\SimpleAuthenticationProvider.php on line 29
Call Stack
#	Time	Memory	Function	Location
1	0.0116	376136	{main}( )	...\SimpleAuthenticationProvider.php:0