I don't usually mess with TS2 stuff anymore, but I'd be willing to play with it, with the condition that you test it in game for me once I get the mesh done c:
Hello, back when I played Sims 2, I got this error a few times, and (I think) it's caused by the codec getting corrupted, or not being installed properly in the first place.
This thread on MTS has a little on the subject. I think most people with the problem end up having to do a clean re-install of the game (like I did), and it gets it working.