Hey bob, All I can suggest is re-importing it to one of the the factory scenesnin the temp folder. I think 'droll' would be the best to open. Simply delete everything that you can't see in the shot and import the sign. Place it where you need. Ensure you put your textures in the same folder as the scene.You'll proberley have to reload one texture or two and then it's good to go.
ok man, thanks :)