"BruceJ" wrote:

> "Report item expressions can only refer to other report items within
> the same grouping scope or a containing grouping scope."
>
> is not quite as obvious as it should be for its length.
>
> If Group2 wants to reference something in Group1 does that mean that
> Group1 must be a parent group of Group2 or is it the other way 'round
> or is it something else entirely?
>