Offsetcrvonsrf error

I use Rhinoceros 3d version 7.12.21313.6341. this version error with Offsetcrvonsrf command. Please check, thank you!

Hello- please post a file with that surface.

-Pascal

All surfaces are similar.
CHECKOFFSET.3dm (167.5 KB)

Hi Azure -

That works fine here:
2021-12-01 OffsetCrvOnSrf

I see that you are running a cracked copy of Rhino - I guess all bets are off on those…
-wim

It doesn’t work on windows 11

Correct, cracked Rhino does not work any better in Windows 11 than in Windows 10.

Please see www.rhino3d.com/sales

-Pascal

Thank you