Surface by loft

hello everybody
I create this code but I get this error. can you help me?

Warning: Surface.ByLoft operation failed. Unable to loft! : BAD_UV_SKIN_DIR – Surface U and V derivatives are in the same or opposite direction.

Hi @adeleh7019 and welcome here…could you share your dyn ?

@adeleh7019 ,
not entirely sure end goal but if you change this to @l2 loft should work.


Cheers KS