Try this maybe as some report that setting the variable isn't working? https://forums.autodesk.com/t5/maya-forum/unfold3d-process-error/m-p/9430890#M80359
Error:Unfold3D process error. Followed these steps and still having issues: https://knowledge.autodesk.com/support/maya-lt/troubleshooting/caas/sfdcarticles/sfdcarticles/Unfold3D-process-error-when-unwrapping-UV-s-in-Maya.html
Hello all. So I just got a brand spankin' new AMD Rayzan 9 and have found my first bug. Having issues with maya's unwrap (Unfold3D process error) been resurching and it seems to be a problem with AMD 9300. I'm curious if anyone has run into any problems with this prosser throughout their pipeline? Of its just this issue…