You have to create the primary index first, in the Modify Structure form or at the command window with ALTER TABLE MyTable ADD PRIMARY KEY MyField TAG MyTag.

HTH

>I did. I jump out of the debug and check, the "Master Index Tag" does not exist. Could you help me by looking over the coding I typed? Maybe try out the same coding with a make up tables? I got this coding from FoxPro Advisor, May 1999, page 64.