Fatal error: Uncaught Error: Interface "Symfony\Component\Config\ResourceCheckerInterface" not found in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/symfony/config/Resource/SelfCheckingResourceChecker.php:24 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/symfony/config/Resource/SelfCheckingResourceChecker.php on line 24