>Thank you, Jim.
>I think you right about possible corrupiton CDX files and I even suspect that this happens when I am trying to modify index from VFP(for example, primary type from regular) and then FPD does not know how to handle it.

Jerry,

If you add any of the new features to a table, like putting it in a database, using one of the new field types, adding a candidate index, or use any other new feature, then that table is no longer usable in FPD.