Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraints\AbstractComparison" not found in C:\Apache24\htdocs\cw\vendor\symfony\validator\Constraints\GreaterThan.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\validator\Constraints\GreaterThan.php on line 21