>>It sounds like index corruption to me. The only way to verify that is to re-index the table.
>
>I guess it's possible that reindex may not rebuild them, if they're so mangled that VFP doesn't see them. If it would see them and report an error, then yes, I'd expect the reindex to do it, but with this sort of symptom... I guess odds are 50:50.
>

I'm not following you. What else besides the index corruption would cause missing index keys?