strange error messiages when importing two different fbx assets into blender 3.6
I have a bazzare issure with a couple fbx assets into blender. im using blender 3.6 right now.
here are the errors im getting
asset one error message:
TBBmalloc: skip allocation functions replacement in ucrtbase.dll: unknown prologue for function _msize
Read prefs: "C:\Users\rrive\AppData\Roaming\Blender Foundation\Blender\3.6\config\userpref.blend"
FBX version: 7400
ERROR: too much data in this FBX layer, skipping excess!
Traceback (most recent call last):
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\__init__.py", line 207, in execute
if import_fbx.load(self, context, filepath=path, **keywords) == {'FINISHED'}:
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 3109, in load
_(); del _
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 3103, in _
root_helper.build_hierarchy(fbx_tmpl, settings, scene, view_layer)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2534, in build_hierarchy
child.build_hierarchy(fbx_tmpl, settings, scene, view_layer)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2521, in build_hierarchy
obj = self.build_node_obj(fbx_tmpl, settings)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2330, in build_node_obj
blen_read_custom_properties(self.fbx_elem, obj, settings)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 316, in blen_read_custom_properties
assert(fbx_prop.props[1] == b'KString')
AssertionError
===============================================================================================================================================================================
asset two error message:
alloc: skip allocation functions replacement in ucrtbase.dll: unknown prologue for function _msize
Read prefs: "C:\Users\rrive\AppData\Roaming\Blender Foundation\Blender\3.6\config\userpref.blend"
FBX version: 7400
ERROR: too much data in this FBX layer, skipping excess!
ERROR: too much data in this FBX layer, skipping excess!
ERROR: too much data in this FBX layer, skipping excess!
ERROR: too much data in this FBX layer, skipping excess!
ERROR: too much data in this FBX layer, skipping excess!
ERROR: too much data in this FBX layer, skipping excess!
Error, could not find any file path in FBXElem(id=b'Texture', props=[3036017638768, b'Map #267644\x00\x01Texture', b''], props_type=bytearray(b'LSS'), elems=[FBXElem(id=b'Type', props=[b'TextureVideoClip'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Version', props=[202], props_type=bytearray(b'I'), elems=[]), FBXElem(id=b'TextureName', props=[b'Map #267644\x00\x01Texture'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Properties70', props=[], props_type=bytearray(b''), elems=[FBXElem(id=b'P', props=[b'3dsMax', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDa', b'int', b'Integer', b'', 1858302732], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDb', b'int', b'Integer', b'', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|SuperClassID', b'int', b'Integer', b'', 3088], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|color1', b'Color', b'', b'A', 0.0, 0.0, 0.0], props_type=bytearray(b'SSSSDDD'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1Amount', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1On', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|color2', b'Color', b'', b'A', 1.0, 1.0, 1.0], props_type=bytearray(b'SSSSDDD'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2Amount', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2On', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|type', b'Integer', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|direction', b'Integer', b'', b'A', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|node', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|mtlIOROverride', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|ior', b'Float', b'', b'A', 1.600000023841858], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|extrapolateOn', b'Bool', b'', b'A', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|nearDistance', b'Float', b'', b'A', 0.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|farDistance', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|mix curve', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[])]), FBXElem(id=b'Media', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'FileName', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'RelativeFilename', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'ModelUVTranslation', props=[0.0, 0.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'ModelUVScaling', props=[1.0, 1.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'Texture_Alpha_Source', props=[b'None'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Cropping', props=[0, 0, 0, 0], props_type=bytearray(b'IIII'), elems=[])])
Falling back to: Map #267644
Error, could not find any file path in FBXElem(id=b'Texture', props=[3036017633488, b'Map #267645\x00\x01Texture', b''], props_type=bytearray(b'LSS'), elems=[FBXElem(id=b'Type', props=[b'TextureVideoClip'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Version', props=[202], props_type=bytearray(b'I'), elems=[]), FBXElem(id=b'TextureName', props=[b'Map #267645\x00\x01Texture'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Properties70', props=[], props_type=bytearray(b''), elems=[FBXElem(id=b'P', props=[b'3dsMax', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDa', b'int', b'Integer', b'', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDb', b'int', b'Integer', b'', 675561916], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|SuperClassID', b'int', b'Integer', b'', 3088], props_type=bytearray(b'SSSSI'), elems=[])]), FBXElem(id=b'Media', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'FileName', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'RelativeFilename', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'ModelUVTranslation', props=[0.0, 0.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'ModelUVScaling', props=[1.0, 1.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'Texture_Alpha_Source', props=[b'None'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Cropping', props=[0, 0, 0, 0], props_type=bytearray(b'IIII'), elems=[])])
Falling back to: Map #267645
Error, could not find any file path in FBXElem(id=b'Texture', props=[3039286641408, b'Map #267481\x00\x01Texture', b''], props_type=bytearray(b'LSS'), elems=[FBXElem(id=b'Type', props=[b'TextureVideoClip'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Version', props=[202], props_type=bytearray(b'I'), elems=[]), FBXElem(id=b'TextureName', props=[b'Map #267481\x00\x01Texture'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Properties70', props=[], props_type=bytearray(b''), elems=[FBXElem(id=b'P', props=[b'3dsMax', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDa', b'int', b'Integer', b'', 1858302732], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|ClassIDb', b'int', b'Integer', b'', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|SuperClassID', b'int', b'Integer', b'', 3088], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|color1', b'Color', b'', b'A', 0.7647059559822083, 0.7647059559822083, 0.7647059559822083], props_type=bytearray(b'SSSSDDD'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1Amount', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map1On', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|color2', b'Color', b'', b'A', 1.0, 1.0, 1.0], props_type=bytearray(b'SSSSDDD'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2Amount', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|map2On', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|type', b'Integer', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|direction', b'Integer', b'', b'A', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|node', b'Reference', b'', b'A'], props_type=bytearray(b'SSSS'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|mtlIOROverride', b'Bool', b'', b'A', 1], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|ior', b'Float', b'', b'A', 1.600000023841858], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|extrapolateOn', b'Bool', b'', b'A', 0], props_type=bytearray(b'SSSSI'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|nearDistance', b'Float', b'', b'A', 0.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|parameters|farDistance', b'Float', b'', b'A', 100.0], props_type=bytearray(b'SSSSF'), elems=[]), FBXElem(id=b'P', props=[b'3dsMax|mix curve', b'Compound', b'', b''], props_type=bytearray(b'SSSS'), elems=[])]), FBXElem(id=b'Media', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'FileName', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'RelativeFilename', props=[b''], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'ModelUVTranslation', props=[0.0, 0.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'ModelUVScaling', props=[1.0, 1.0], props_type=bytearray(b'DD'), elems=[]), FBXElem(id=b'Texture_Alpha_Source', props=[b'None'], props_type=bytearray(b'S'), elems=[]), FBXElem(id=b'Cropping', props=[0, 0, 0, 0], props_type=bytearray(b'IIII'), elems=[])])
Falling back to: Map #267481
Traceback (most recent call last):
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\__init__.py", line 207, in execute
if import_fbx.load(self, context, filepath=path, **keywords) == {'FINISHED'}:
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 3109, in load
_(); del _
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 3103, in _
root_helper.build_hierarchy(fbx_tmpl, settings, scene, view_layer)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2534, in build_hierarchy
child.build_hierarchy(fbx_tmpl, settings, scene, view_layer)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2521, in build_hierarchy
obj = self.build_node_obj(fbx_tmpl, settings)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 2330, in build_node_obj
blen_read_custom_properties(self.fbx_elem, obj, settings)
File "C:\Program Files\Blender Foundation\Blender 3.6\3.6\scripts\addons\io_scene_fbx\import_fbx.py", line 316, in blen_read_custom_properties
assert(fbx_prop.props[1] == b'KString')
AssertionError
how the heck to i fix this? is it even fixable?

Comments
@milliethegreat
Why are you using such an old version of Blender? You are asking for things like what you are experiencing. This is not DAZ and you can easily run multiple versions of Blender side by side and revert if you choose to. No reason to not be using 4.4. The FBX importer seems better, though I don't use it often.
Second, since FBX is proprietary, the Blender guys had to essentially reverse engineer it, and so it never worked robustly. But there is an addon called Better FBX Import which is preciselt that. It might work better for you.
I use the old version of blender because when I import posed Daz figures into the newer versions it either doesn't import the poses right or any attached props don't import attached to the characters. I use diffeomporphic because some objects have emissives. Also how expensive is that plugin? If it's not anything crazy price it's probably worth a try. I don't want to spend bookoo amounts of money if it turns out not to be what i need after all.
Also I believe I tried 4.4 as well. Same results
I actually got better fbx exporter and it definitely solved the issue I was having with the error messages i mentioned. I got the assets to import into blender with zero issues and i exported the assets from blender into Daz as obj afterwards just fine too. That's one major problem solved. I'll count that as a win! Thanks for the suggestion on the plugin!
I'm ecstatic at hearing that! We really have to take the wins where we find them :)