If this occured while trying to sync with Outlook, then be sure to upgrade to a version 2.1 r63 or newer.  Under the "Help" menu, click on "Check for BETA Update".

If you just installed TntMPD and created a new database, and while starting your first database you receive this error, "Internal Error: Can not find CountryID 0", then you need to restart your computer and try creating a new database again.  To do this:

1. Restart your computer.
2. Start TntMPD and under the "File" menu, click on "New".