Fatal error: Uncaught Error: Class 'SimpleSAML\Metadata\MetaDataStorageSource' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/lib/SimpleSAML/Metadata/MetaDataStorageHandlerSerialize.php:17 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/lib/SimpleSAML/Metadata/MetaDataStorageHandlerSerialize.php on line 17