In DarkRadiant I recently split up my map's progress into several smaller .map files, each containing a seperate area.   After cleaning up some brushes in one area, I went to work on a second area for a few days. When I went back to load the first area again, I got an error message saying "Failed at entity 0. DefTokeniser: no more tokens" while loading the 47th primitive. My first entity I put in was probably the ambient_world light. I think there were only 800 entities in that area, and this me