>What does that error mean?
>
>All it says in help is to call Microsoft support.
>
>I already have an On Error Do program, but that does NOT come up, just the VFP error comes up.
>
>Any thoughts on why does my On Error program not come up?
>
>Thanks

In addition to Sorin's suggestion - you might visually browse the key fields for corruption. It may also be helpful to delete the TAGs and INDEX (not reindex) a new CDX.