Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Constraint' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/doctrine-bridge/Validator/Constraints/UniqueEntity.php:25 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/doctrine-bridge/Validator/Constraints/UniqueEntity.php on line 25