Fatal error: Uncaught Error: Interface 'Symfony\Component\Console\Output\OutputInterface' not found in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/console/Output/ConsoleOutputInterface.php:22 Stack trace: #0 {main} thrown in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/console/Output/ConsoleOutputInterface.php on line 22