Is it the uncompressed OBJ file or OBZ that poser uses?  I can't think of anything else that would give you that error.

 

Shooting in the dark,here.

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!