Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/validator/Tests/Fixtures/ClassConstraint.php:16 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/validator/Tests/Fixtures/ClassConstraint.php on line 16