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.
The problem is that you are packing the wrong directory. Instead of telling it to pack C:/bfdev/bf1942/levels/Sewer_Run, just tell is to pack the bf1942 directory. ie C:/bfdev/bf1942