Try this:
http://paceandcap.com/forums/showpos...59&postcount=8 in the FAQs.
The database file RDSS is pointing to in the [Database] section of the Configure file either does not exist or is not an actual database file.
If you were trying to Switch databases, and chose a file which was NOT a database file, then restarted RDSS -
then this error would occur.
Ted