I did an ogre format too. I think it has something to do with the conversion. The files are old .x files. They seem to be losing their uv coordinates somehow.
Well, the errors you posted are from when you imported the Ogre version.
If you had errors with the other formats then they were different errors but certainly not Ogre errors.
Anyway, my guess is that you haven’t properly applied the texture in Blender. Hopefully someone more knowledgeable than I can help with the right check box… or you could search the forum because this comes up every couple of weeks or so.
It was a conversion problem. The files went from .x to .obj. I could import the .obj files directly into the sdk with no problem. When I import the .obj files into blender the uv coordinates are lost. I was getting an unknown statement error the sdk. I think whatever that state is came from the .x file and was preventing blender from properly taking the uv coordinates.
The coordinates where there in blender but they where all way off it’s as if blender subtracted -2 from all of the coordinates.