Skatter Demo

Hello I have loaded the demo version of Skatter. Now I get the message Skatter Error: The surface group … has been deletet or moved.
The message blocks the whole sketchup and a further work is no longer possible at the file. And now?

This happens when Skatter can’t find the surface anymore (it has been deleted of moved in the model’s hierarchy)
Simply edit your Skatter setup, and pick the surface again.