Fatal error: Uncaught Error: Class "Symfony\Component\Validator\ConstraintValidator" not found in /home/lotopou/lpf26/src/Validator/Constraints/UniqueTeamNameValidator.php:12 Stack trace: #0 {main} thrown in /home/lotopou/lpf26/src/Validator/Constraints/UniqueTeamNameValidator.php on line 12