Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Mapping\Loader\LoaderInterface" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/validator/Mapping/Loader/StaticMethodLoader.php:22 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/validator/Mapping/Loader/StaticMethodLoader.php on line 22