( ! ) Deprecated: Symfony\Component\Form\PreloadedExtension::__construct(): Implicitly marking parameter $typeGuesser as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\form\PreloadedExtension.php on line 34

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Form\FormExtensionInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\form\PreloadedExtension.php on line 21
( ! ) Error: Interface "Symfony\Component\Form\FormExtensionInterface" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\form\PreloadedExtension.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0229	375728	{main}( )	...\PreloadedExtension.php:0