Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraints\GreaterThanOrEqual" not found in I:\www\picman\vendor\symfony\validator\Constraints\PositiveOrZero.php:20 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\validator\Constraints\PositiveOrZero.php on line 20