( ! ) Deprecated: Symfony\Component\Validator\DataCollector\ValidatorDataCollector::collect(): Implicitly marking parameter $exception as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\DataCollector\ValidatorDataCollector.php on line 41

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\DataCollector\ValidatorDataCollector.php on line 28
( ! ) Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\validator\DataCollector\ValidatorDataCollector.php on line 28
Call Stack
#	Time	Memory	Function	Location
1	0.0240	379344	{main}( )	...\ValidatorDataCollector.php:0