I have made a change in the 3D building feature in scenProc that was introduced about two weeks ago. At that moment the building texture configuration file contained both a list of wall textures and a list of roof textures. I have realized that is not so flexible, as you might want to use the same wall textures, but have different roof textures for flat and sloped buildings.
So the Create3DBuilding step has been modified now, it takes two building texture configurations as input. One for the walls and one for the roofs. This gives you more flexibility. The Building Texture Configuration Editor has also been updated, so that you can only specify one list of texture now.