Dereferencing a non-pointer error in Thicken Surface

[David_Beach]

Having trouble with a Dereferencing a non-pointer error in Thicken Surface on the following script:

Help would be appreciated very much!

[Yna_Db]

Your screenshot is unreadable, please zoom in until you see the nodes names before exporting as png…

[David_Beach]

And that is what i get for hurrying through something…try this one. Thanks!

[David_Beach]

And because visuals might help too…perhaps there is another way to go about this all together??

[David_Beach]

Resolved my own issue. I had a bad list…nulls on both ends… newb.