unity Failed to create agent because there is no valid NavMesh

This problem is encountered during a simple navigation / pathfinding exercise

Later, we found a solution here, because we didn’t bake bake with mesh.

So, let’s do a simple baking

 

My demand is as long as I can navigate, so I only bake on the ground by default. Click bake to bake.

It’s OK to run it again.

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