Repost: ‘NoneType’ object has no attribute ‘FaceIndex’

Hello,

I was generating some terrain analysis with Bison and the “flow” analysis isn’t accepting my mesh while all the other components do. It might help to say that this was a invalid mesh turned valid via CullDegenerateMeshFaces .

flow.gh (470.4 KB)

Creating DUPLICATE THREADs is counter productive, please don’t do that.