This problem suddenly appear and i cant find a reason, let me explain: I have a track made with btb and converted to rf2 with 3dsimed. Everything work ok, Ai included, then after something that i probably do, the ai cars drive some meters from the pit and stop. My car drive well when i let the ai drive it,from pit to track and it work even if export a new aiw file with btb but other cars still have the same problem i have deleted almost all from scn in order to verify if some object or material was the cause, but even with only the road i have the problem. maybe this is happen when i have moved some vertices of the road? But i cant understand why my car works and other dont