Fatal error: Uncaught Error: Interface "Symfony\Component\Routing\RouterInterface" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony-cmf/routing/ChainedRouterInterface.php:19 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony-cmf/routing/ChainedRouterInterface.php on line 19