Making a parametric bench, have issue with surface on GH under 'sectioning' group

I’m making a parametric bench following this tutorial, Parametric Bench | Parametric House , and I am running into an issue with the surface and a few other items in grasshopper and I am not sure what to do to fix it. Is the geometry not right or is it the curve?

Bench GH.gh (22.9 KB) rhino bench.3dm (405.6 KB)

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R7 .3dm file cannot be opened by those of us still using R6.

Did you read the error messages on the red components? Follow the wires!

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One of your section curves is not closed and their seams are not aligned so Sweep1 fails.

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I fiddled around with the white group to get Sweep1 to work but there are other issues. Haven’t looked at your latest files (with the same filenames, which gets confusing…).


Bench GH_2021Feb18a.gh (20.5 KB)

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Bench GH_re.gh (22.1 KB)

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Forgot to replace one of X to Y vector…


Bench GH_re2.gh (21.4 KB)

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