Interesting. All I had to do was to add an ORDER BY clauses and I was suddenly able to index the file, but when it is a single table and no ORDER BY clause exists, you must add the READWRITE clause.

Thanks Sergey!
Cecil

>Add READWRITE clause to make cursor updateable and check http://www.berezniker.com/content/pages/visual-foxpro/queries-and-filtered-cursors

SELECT * ;
	FROM GRPEXTCV ;
	INTO CURSOR tmpGRPEXTCV READWRITE