>I have added this and I still get the Index tag not found.
>
>

>SET ORDER TO TPARTNUM   && PARTNUM
>

Samuel, open table in Modify Structure and see what is index tag name (if it ever existed) for the field that contains 'partnum' data. It's exactly the name (index tag name) that you should use.
Please, be advised that I won't be able to answer your messages till next Monday.