Morph issues can come from meshes, but also from the bones, or the magnets, or the dependencies.
All depends how the morphs are build in the first place.
Tja, your only solution is to try to get in touch with the vendor.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!