Error (1) error in line 20: arc endpoint error?

[Griff (Well crap, my hypometric precursor device is blown…)]

Here’s the link I found. https://knowledge.autodesk.com/support/hsm/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-add-a-Post-Processor-to-your-Personal-Posts-in-Fusion-360.html