Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraints\AbstractComparison" not found in /var/www/html/API_Forum/vendor/symfony/validator/Constraints/NotIdenticalTo.php:22 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/validator/Constraints/NotIdenticalTo.php on line 22