V4 pose converted to G2F breaks mesh at hands -- how to fix?

ModernWizard · February 2015

I've been converting some V4 partial poses to G2F. The one shown in the screencap looked pretty good when I applied it; I just used the Pose Control to Straight Left Hand and Straighten Right Hand into the negative to fix the fingers. I saved the pose as a duf, and everything seemed good. Now, however, when I apply the pose, this happens:

[see attached photo]

What's going on here? What can I do to fix it?

Thanks.

--MW