Hello Lukas,
Are the tiles that are generated in locations where the world partition is always loaded? If an area is unloaded, it may not assign the navigation data properly.
Are the navmesh volumes in the map covering all of the necessary areas? I would also check the tile pool size to make sure it’s big enough for your level.
I did also come across this older thread here where a recent reply describes some setting changes they did for a similar issue.
Let me know if any of that helps or if any new info comes to light!
Thanks,
Kyle B.
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