Fatal error: Uncaught Error: Interface 'SimpleSAML\Auth\SourceFactory' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/tests/Utils/TestAuthSourceFactory.php:9 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/tests/Utils/TestAuthSourceFactory.php on line 9