Diagnosis
Different cash discount terms apply to the items which are to bedisplayed in summarized form. Either the cash discount percentage ratesdiffer from one another, or the cash discount is active for some itemsand not for others.

System Response
Error message. A summarized display is not possible.

Procedure
You will either have to continue to work with the unsummarized display,or you will first have to ensure that the items concerned have the samecash discount terms.