Traceback error upon PMX model import attempt

[AnthonyZDavis]

• Blender: 4.1
• MMD Tools: 4.0.0
• OS: Windows 11

Steps to reproduce the behavior:

1. Go to MMD Tools
2. Scroll down to Scene Setup
3. Click on Model > Import
4. Select model to import
5. See error below
6. See screenshot below for uploaded model

Reported error:

Traceback (most recent call last):
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\operators\fileio.py", line 168, in execute
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\operators\fileio.py", line 187, in _do_execute
handler = log_handler(self.log_level, filepath=self.filepath + ".mmd_tools.import.log")
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\pmd\importer.py", line 21, in execute
importer = import_pmx.PMXImporter()
^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\pmx\importer.py", line 851, in execute
_PMXCleaner.clean(self.__model, "MORPHS" not in types)
^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\pmx\importer.py", line 555, in __importMaterials
mmd_mat.enabled_toon_edge = i.enabled_toon_edge
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\material.py", line 465, in create_texture
mmd_material.is_double_sided = not m.game_settings.use_backface_culling
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\material.py", line 565, in __create_texture_node
vec_trans.convert_to = "CAMERA"
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\a####\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\mmd_tools\core\material.py", line 769, in __update_shader_nodes
KeyError: 'bpy_prop_collection[key]: key "Shader" not found'

[rintrint]

You can try the below version combination:
Blender 3.6 with MMD Tools 2.10.3
Blender 4.1 with MMD Tools 4.1.0
Blender 4.2 with MMD Tools 4.2.2

MMD Tools 4.0.0 is not the latest for Blender 4.1, please try MMD Tools 4.1.0.
Or go for 4.2.