SOLVED: Viewing flow on Lands Design Terrains with Bison

I was getting an error from the Bison “Slope Grid” component, something about “a None is not a Vector”. Can’t reproduce it at the moment. Either way, I fixed it with this:

Instead of feeding Slope Grid the Mesh, I fed it list item 0 of the divisions set, which in my case is just the top surface of the mesh. See below:

I hope this helps someone!