From: Duane Hookom on
You probably deleted the field name from the column but didn't delete the
entire row in the sorting and grouping dialog. It's much like deleting a
value from a field where you should have deleted the entire record.

--
Duane Hookom
Microsoft Access MVP


"iccsi" wrote:

> On Jul 4, 9:52 am, iccsi <inu...(a)gmail.com> wrote:
> > I got the following message while I preview the report.
> >
> > "you must define a sort field or expression for group header or footer
> > in the report you tried preview or print"
> >
> > This is a subreport of the main report.
> >
> > Any informaiton is great appreciated,
>
> I copied it from the main report to the subreport.
> Main report has group, so the subreport has the group I do not need.
> Subreport continues to ask 2 group fields.
> After I take out the group, I got message.
> Report continues to ask me to enter 2 group fields when I have 2
> groups back to subreports.
>
> Any ideas about this?
> Your information is great appreicated,
>
>