Network surface. Null!

Hello .
the algorithm is not executed, but it does not generate errors.
The network surface does not work on the output.arm.3dm (5.3 MB) unnamed1.gh (23.0 KB)

Hi,

Check this

unnamed1.gh (21.2 KB)

Cheers,
BVR

Thanks
What did you change exept removed one ?

Just changed Periodic curve value to True in some Interpolate component where required. I forgot to mention that.