Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraints\NotBlankValidator" not found in D:\htdocs\SuiteCRM\vendor\vich\uploader-bundle\src\Validator\Constraints\FileRequiredValidator.php:11 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\vich\uploader-bundle\src\Validator\Constraints\FileRequiredValidator.php on line 11