What is the VFP version? Any SP?

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>The application I have written is running on an NT server with XP and 98 machines on it. Only on the 98 machines do I get an illegal operation message.
>In the app, I create a temporary file with a relation to a customer masterfile.
>I go through and build the records in this file (for only one customer at a
>time) and display them on a grid (parent file is the customer file).
>
>This seems to work okay, until I print an unrelated report, and then go to this routine.
>
>The message appears after I append a blank record and try to replace the
>customer id with the ID I'm building the file for. I take the set relation to
>command out and it runs fine.
>
>I'm wondering is this some weird printer issue or is my logic faulty, setting a relationship in a file that is being displayed on a grid where the parent child relationship is already specified.
>
>Any help or enlightenment would be appreciated.
>
>Thanks,
>
>Brad Trim