Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Resource\SelfCheckingResourceInterface' not found in /var/www/alldocs/home/rprather/TIWebsite/simplesamlphp_idp/vendor/symfony/config/Resource/ReflectionClassResource.php:24 Stack trace: #0 {main} thrown in /var/www/alldocs/home/rprather/TIWebsite/simplesamlphp_idp/vendor/symfony/config/Resource/ReflectionClassResource.php on line 24