Fatal error: Uncaught Error: Class "Beta\Microsoft\Graph\Model\Windows81VpnConfiguration" not found in /users/mgv/www/owncloud/apps/graphapi/vendor/microsoft/microsoft-graph/src/Beta/Microsoft/Graph/Model/WindowsPhone81VpnConfiguration.php:25 Stack trace: #0 {main} thrown in /users/mgv/www/owncloud/apps/graphapi/vendor/microsoft/microsoft-graph/src/Beta/Microsoft/Graph/Model/WindowsPhone81VpnConfiguration.php on line 25