Sweep1 error(+ overlapped)

I generated five pipes along five rails, but there is error(sweep1 in gh) and generated 18 pipes

rails(1~4) are no problem

But there are 14 pipes overlapped in the fifth rail

Maybe I have problem in flatten, graft or something?

Help me

Hi @Jim_Chr_Lim

Would you mind to share your grasshopper file?

Regards

cobraprint101.zip (299.0 KB)
Question.gh (8.8 KB)

Overlapping problem has been resolved, but I fall into the other situation


Help
If you don’t mind, Let me know your email
I want to share Rhino file(90mb) too
Thank you