Though there may be multiple reasons for this, the most common case is the following:
The master database does not have a "System" folder in the database files folder location for the master database in question. Contact RTG to add the folder for you.
This is due to a bug in older versions of ACT.
Article ID: 32, Created: 12/17/2010 at 3:05 PM, Modified: 8/9/2012 at 3:39 AM