Hello, dear support =)
So, I tried to render HairFromMeshStrips object with Ornatrix and saw this error. (pic1)
When I converted it into the simple Ornatrix hair - everything was fine. (pic2)
Windows 10, Ornatrix 5.2.6, Corona 2 DailyBuild Dec 18 2017.
Hope you will fix this in the next release =)