Claris CAD: Error ID=12

If the user tries to launch Claris CAD under System 4.2 and Finder 6.0, error ID=12 will occur.

This information was provided by Claris Corporation on 16 March 1998, and incorporated into Apple Computer's Tech Info Library.
The solution is to update to the recommended system version, 6.0.2.
Published Date: Feb 18, 2012