I think it's been known for a while that the latest version of Blender and NIF tools will import unit NIFs but won't export them properly. Recently while working on something I discovered that there may indeed be a reason for this and may have cracked the code to using the latest version. I'm not 100% confident on this but hopefully this works.
I noticed exporting LHs didn't have the same problem as units, so I suspected there might be some difference, and that's when I discovered this thread from almost 15 years ago. WarKirby was trying to merge two NIFs of different versions (4.2.2.0 vs 20.0.0.4) and snipperrabbit!! posted this:
Apparently LHs use 20.0.0.4, but units use both 4.2.2.0 and 10.0.1.0
This is likely the reason NIFs won't export, as the new version of the NIF tools for Blender unfortunately don't allow you to pick different versions for a single game.
So far I've been able to export more when using the "Sid Meier's Pirates" game which exports 10.0.1.0 (instead of using Civ4 under "Scene" which exports 20.0.0.4)
I will do a video if I can confirm this is indeed the problem but we may be able to use Blender 3.x again.
(See THIS POST)
What are you trying to do ?
If you are taking a part from a LH (20.0.0.4) to paste on a unit (4.2.2.0) then you just have to import first your LH part nif in B, then export it as a 4.2.2.0 nif file -you may want to use a different name-, clear your session in B, import your base nif, import your part nif you just made, do the merge, rerig, etc ...
Apparently LHs use 20.0.0.4, but units use both 4.2.2.0 and 10.0.1.0
This is likely the reason NIFs won't export, as the new version of the NIF tools for Blender unfortunately don't allow you to pick different versions for a single game.
So far I've been able to export more when using the "Sid Meier's Pirates" game which exports 10.0.1.0 (instead of using Civ4 under "Scene" which exports 20.0.0.4)
I will do a video if I can confirm this is indeed the problem but we may be able to use Blender 3.x again.
(See THIS POST)
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