Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
In Simpler terms (which i guess is needed): Skyline is asking for a detailed report of your problem with exact error messages, when you get them, what you did before getting them, etc..