Whenever the figure has 3DS props there is a chance that it will have an unexpected error ... If I get that I normally export the figure and al the parts that arent 3DS as the OBJ and then export the 3DS props as 3DS. Sometimes it takes a little scaling to reset the figures to match sizes but it isnt normally too bad and it is actually easier to adjust the textures that way if you want to. I have had the problem one other time when Bryce couldnt find one of the textures. It was rather odd but I made it work. Good luck