Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/framework-bundle/Routing/LegacyRouteLoaderContainer.php:19 Stack trace: #0 {main} thrown in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/framework-bundle/Routing/LegacyRouteLoaderContainer.php on line 19