Its a rectangular 20x10 map...
4 of the starting positions are for some reason outside of the map borders..in the save file they seem to be within the coordinates of the map but in the in game lobby they show as outside the map and when you try and start on one of them the game starts but you dont have a commander.
I tried comparing my files to the files of fields of isis since it also has the identical shape and i cant find why fields of isis works but mine doesnt...
here is a link to the map http://www.sendspace.com/file/j32rhd if anyone wants to check how it looks...It's ready except this issue.