Fatal error: Uncaught Error: Class 'SimpleSAML\Error\BadRequest' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/modules/core/www/idp/logout-iframe-post.php:4 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/modules/core/www/idp/logout-iframe-post.php on line 4