Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Exception\ValidatorException" not found in C:\Apache24\htdocs\cw\vendor\symfony\validator\Exception\NoSuchMetadataException.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\validator\Exception\NoSuchMetadataException.php on line 17