Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Validator\Constraints\UserPassword.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Validator\Constraints\UserPassword.php on line 21