Nav modifier component broken in blueprints
The nav modifier component in blueprint is broken, in 4.7.6 they worked like the normal nav modifier volumes. At the moment the nav modifier component will only work if "Can Ever Affect Navigation" is checked to true and if the "Pawn" or "Vehicle" collision response is set to block in the root component of the blueprint. If you try changing these settings in a child the editor will either crash or you won't be able to compile the blueprint anymore, changing the settings back doesn't matter, you will still get the error.
If you don't have those set you will get this error in the output log, LogNavOctree:Warning: Can't add node [NavModifier] - parent [Box] not found in octree!
asked Jun 21 '15 at 04:52 PM in Bug Reports
I was able to reproduce this and have entered a bug report, UE-17468, to be assessed by the development staff.
answered Jun 22 '15 at 07:39 PM
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