Steve:

Thank you for your response.

>Do you understand *why* the group clause is invalid?
No. It ran in VFP6 and VFP7. So to me the "why" points to VFP8. Have used this code for a long time. Here is the one that gave the error:

SELECT Appointments.app_time, Appointments.app_date,;
   Appointments.pat_last;
  FROM appointments;
  where appointments.app_date >= mquerydate .AND.;
  appointments.app_date <= mquerydate + 8;
  GROUP BY Appointments.app_time, Appointments.app_date;
  ORDER BY Appointments.app_time, Appointments.app_date;
  INTO CURSOR existingappoints nofilter

I am also concerned abou the second message "Data type is invalid for this property" and this message appears when I issue the Modify form MyForm command in the command window. Never used to happen with VFP 6 or 7.