Bad navmesh on static mesh | RESTARTING HELPED

Slavq
Sun, 17 Jul 2016 20:57:59 +0000
AI

I have a terrain made in 3D app, it’s a static mesh and its collision is set to per-poly. But when it builds navmesh, it generates way too high and way too inaccurate:

As you can see, it should align with the hills, but it does this instead.
Any clues?

UPDATE: Restarting the editor helped, now it generates correctly - so this must be a bug.

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