Created Issue: OpenStreetMap.GetRouteBetweenPoints not working anymore? [16048]

I try MapRoute mapRoute = GMapProviders.GoogleMap.GetRouteBetweenPoints(new PointLatLng(48.15, 11.5833), new PointLatLng(49.78, 9.93), false, false, 5);

but the mapRoute is allways null.
When I use GoogleMaps everything works fine:
MapRoute mapRoute = GMapProviders.GoogleMap.GetRouteBetweenPoints(new PointLatLng(48.15, 11.5833), new PointLatLng(49.78, 9.93), false, false, 5);

Is it a bug or maybe a change in openstreetview?