you COULD try selecting the non-morphing groups with the Grouping tool and thn spawn props from those. You can then export the groups one by one, import it all into Poser, export the lot again (thereby assembling it as one obj) and.. see what happens. I must stress that this is a theory I have. I don't KNOW if it will settle the problem. But it soundls like it might be worth a try? :o)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.