( ! ) Deprecated: Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException::__construct(): Implicitly marking parameter $sourceId as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Exception\ParameterNotFoundException.php on line 37

( ! ) Deprecated: Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException::__construct(): Implicitly marking parameter $sourceKey as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Exception\ParameterNotFoundException.php on line 37

( ! ) Deprecated: Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException::__construct(): 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\dependency-injection\Exception\ParameterNotFoundException.php on line 37

( ! ) Deprecated: Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException::__construct(): Implicitly marking parameter $nonNestedAlternative as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Exception\ParameterNotFoundException.php on line 37

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Exception\InvalidArgumentException" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Exception\ParameterNotFoundException.php on line 21
( ! ) Error: Class "Symfony\Component\DependencyInjection\Exception\InvalidArgumentException" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Exception\ParameterNotFoundException.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0235	382264	{main}( )	...\ParameterNotFoundException.php:0