Sweep not working with closed curve rails in Grasshopper

Grasshopper
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1

Hello guys im new to Grass and im having trouble with my sweeps with my closed curve rails. Need Help!
Vessel.gh (24.6 KB)

2

Works for me.

sweep_2023Jun21a
sweep_2023Jun21a808×397 17.4 KB

But you didn’t internalize your geometry params: (orange components)

sweep_2023Jun21a2
sweep_2023Jun21a2783×579 36 KB