Failing to open Nif File

[jacksw32]

@niftools/blender-niftools-addon-reviewer -

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Fill out the template below to the best of your ability, including .blend files, nifs, logs; help us to help you.

Issue Overview

[Provide a general introduction to the issue and why it is relevant to this repository]

Version Information

Blender Niftools Addon Version Info

blender_niftools_addon-v0.1.0-2023-06-20-43341a10

Blender Version Info

Blender 3.6

Platform information

Windows 10

Context

When opening a Nif file I have I get the following error:

Python: Traceback (most recent call last):
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\operators\nif_import_op.py", line 134, in execute
return NifImport(self, context).execute()
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\nif_import.py", line 74, in execute
self.load_files() # needs to be first to provide version info.
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\nif_import.py", line 140, in load_files
NifData.init(NifFile.load_nif(NifOp.props.filepath))
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\file_io\nif.py", line 65, in load_nif
data = NifFormat.NifFile.from_stream(nif_stream)
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\formats\nif_init_.py", line 531, in from_stream
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\formats\nif_init_.py", line 299, in read_blocks
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\base_struct.py", line 403, in from_stream
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\base_struct.py", line 204, in read_fields
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\array.py", line 107, in from_stream
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\array.py", line 64, in read
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\array.py", line 79, in fill
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\array.py", line 79, in
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\array.py", line 64, in
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\base_struct.py", line 403, in from_stream
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\base_struct.py", line 204, in read_fields
File "C:\Users\redcr\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\io_scene_niftools\dependencies\generated\formats\nif\basic.py", line 53, in from_stream
struct.error: unpack requires a buffer of 4 bytes

Nif File

[Attach input or output files, samples of what the expected output should be and reproducing the issue]
Here is the file I get the issue with:
GUM.zip

[Candoran2]

Which game is this for?

[jacksw32]

Which game is this for?

It's not really a game, it is some files from Vizerra they had made some maps and stuff in the Gamebryo engine, here is the link to their archived stuff. http://win98.altervista.org/vizerracom/installers/

[jacksw32]

Which game is this for?

If this is important:
Free SW to read/convert 3d models:
Models are .NIF files for Gambryo engine. Some are version 20.5.0.0, some are 20.6.0.0;

[0010110000]

I am having the same issue. Did you find a solution?

[jacksw32]

I am having the same issue. Did you find a solution?

Hexabits Nifskope solves this, he gave me a solution to it.
hexabits/nifskope#64

https://github.com/hexabits/nifskope