1. Not a invalid solid (that the problem checker and interlopers can find) 2. Not near the edge of grid at all 3. I tried copy and pastaing the whole map into a new .vmf - didnt work - same error here's the vmf (i couldnt get a bsp obviously ) http://rapidshare.com/files/391209516/fixme.vmf.html help? I'm thinking that, somewhere along the line, a created a craptastic brush.