Blender 2.49 Python Error Attribute 'NoneType', 'Children'

[252Naberius]

Hey guys, I'm currently trying to mod an armor for my FO3 character (basically a mashup of existing T6M armors; don't worry, it's only for private use). Most of the armor meshes I've brought in have no issues (Raider Badlands Armor, Underwear, Armored Vault Suit), but others, namely the Leather Armor, give me this error that I haven't been able to find online yet. Tell me what you guys think.

  File "C:\Program Files (x86)\Blender Foundation\Blender\.blender\scripts\bpymodules\nif_common.py", line 1235, in gui_button_event
    self.gui_exit()
  File "C:\Program Files (x86)\Blender Foundation\Blender\.blender\scripts\bpymodules\nif_common.py", line 1598, in gui_exit
    self.callback(**self.config)
  File "C:\Program Files (x86)\Blender Foundation\Blender\.blender\scripts\import\import_nif.py", line 3771, in config_callback
    importer = NifImport(**config)
  File "C:\Program Files (x86)\Blender Foundation\Blender\.blender\scripts\import\import_nif.py", line 254, in __init__
    if root in [c for c in b.skin_instance.skeleton_root.children]:
AttributeError: 'NoneType' object has no attribute 'children'

Here's what I'm working with:

• Blender 2.49
• Blender Nif Scripts 2.5.9
• meshes from Izumiko's "T6M Equiptment Replacer" (Again: ONLY for personal use)

Some extra details if it matters:

The T6M body attached to the armors imports just fine along with the other armors that are working. It might also be worth noting that my FO3 character uses the Daughters of Ares body, so far I have made her armor by changing textures of unedited T6M armor meshes with NifSkope, then removing the T6M body underneath and setting the armors as "Body Add-ons" in the GECK, this way the armor fits but does not alter her existing android body mesh. HOWEVER, attempting to open her DoA body meshes in Blender results in an indefinite freeze, which can only be gotten out of via Task Manager.

[xenogearslucas]

I'm getting this same exact error while trying to import a modded armor mesh for TES IV: Oblivion into Blender. It sucks that no one in the entire history of the world, other than you and I, seems to have ever experienced this issue, because this is the only post online I can find mentioning it.