Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in /home/yrdsb11w3creativ/public_html/108/vendor/symfony/validator/Constraints/Json.php:23 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/108/vendor/symfony/validator/Constraints/Json.php on line 23