Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Constraint' not found in /home/itscm/dev.its.cm/webservices/vendor/symfony/security-core/Validator/Constraints/UserPassword.php:20 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webservices/vendor/symfony/security-core/Validator/Constraints/UserPassword.php on line 20