I suggest that you try to export as a SOD again and then either write down exactly what the error is and let us know, or take a screen cap and post it here, so we can read the error box message ourselves.
Just as a great man once said; "give us your error, we will give you your solution...." or something...
I have written down the error messages that I am getting with Milkshape3D and also a screen shot of the model that I am working on.
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These are the error messages that I have been getting well using Milkshape3D and trying to save meshes or models as a SOD file after attempting to texture them. I am using the Wraith Cruiser as my practice mesh in attempting to finish the model and create a SOD file.
1) Couldn't match a Mesh node with a Mesh.
2) I can't find out how to select vertices or even a mesh node.
Well practicing to make a SOD for the Wraith Cruiser mod found at armad2files, this is the text that appears in Milkshape3D's Message Window as I do anything with the mesh. I copied the Origianl Model (MS3D) file so I don't accidentally ruin the original. I have the possible textures that can be used in a folder labeled "Possible Textures". One texture is the Wriath Hiveship's and the other is the Wraith Dart. I have choosen to use the Wraith Hiveship texture and not the Dart.
The following is what appears in the Message Window of Milkshape3D:
Preparing group: "harmony"...648 triangles, 355 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 verticPreparing group: "harmony"...648 triangles, 343 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 vertices, 9 normals.
Preparing group: "harmony"...648 triangles, 343 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 vertices, 9 normals.
Preparing group: "harmony"...648 triangles, 343 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 vertices, 9 normals.
Preparing group: "harmony"...648 triangles, 343 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 vertices, 9 normals.
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error loading texture "Possible Textures\Hiveship\hiveship.tga": could not open file [1290].
Error downloading material: "hiveship"
es, 9 normals.
Preparing group: "harmony"...648 triangles, 355 vertices, 371 normals.
Preparing group: "paige"...264 triangles, 168 vertices, 168 normals.
Preparing group: "kimo"...264 triangles, 168 vertices, 167 normals.
Preparing group: "jessica"...8 triangles, 6 vertices, 9 normals.