Vidar,

Are you sure you've opened the database exclusive before trying to go into the designer?

>VFP 6.0 produces this error whenever I try to access its referential integrity builder:
>
>"No DBC open. Referential integrity builder cannot run without an
>open DBC."
>
>I know this is a known VFP 6.0 bug, but is there a fix or does anyone know of a work around that doesn't involve reinstalling VFP 5.0?
>
>Is it possible to open the dbc as a table and do the RI settings this way?