I've downloaded Arcbuilder Universe (Complete version 0.1 Package ) extrated it and copied it to the appropriate place, as per the instructions.
"Installation: Unzip the file and place the entire ArcBuilders Universe folder, along with its subfolders, into your extras directory. The type in Alpha Centauri A, or Toliman, or even Rigel Kentaurus A, and you should see it!"
However typing in Alpha Centauri A, or Toliman, or even Rigel Kentaurus A, does nothing more than flag an error.
"Error opening script file /usr/share/apps/celestia/Alpha Centauri A"
as there is no script file .
How do I load and run the ArcBuilder Universe package?