( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Templating\TemplateReference::__construct(): Implicitly marking parameter $bundle as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 27

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Templating\TemplateReference::__construct(): Implicitly marking parameter $controller as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 27

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Templating\TemplateReference::__construct(): Implicitly marking parameter $name as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 27

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Templating\TemplateReference::__construct(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 27

( ! ) Deprecated: Symfony\Bundle\FrameworkBundle\Templating\TemplateReference::__construct(): Implicitly marking parameter $engine as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 27

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\Templating\TemplateReference" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 25
( ! ) Error: Class "Symfony\Component\Templating\TemplateReference" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\framework-bundle\Templating\TemplateReference.php on line 25
Call Stack
#	Time	Memory	Function	Location
1	0.0019	375600	{main}( )	...\TemplateReference.php:0