Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Violation\ConstraintViolationBuilderInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\Violation\ConstraintViolationBuilder.php:28 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\Violation\ConstraintViolationBuilder.php on line 28