SAP Message UPP_PP_K056 - Same selection in data row &1 and comparison row &2

Diagnosis
You attempted to execute planning layout in which data is displayed forthe same characteristic value combination both in comparison row &V2&as well as in the ready for input data row &V1&. Since the data incomparison rows usually has reference character, you are not allowed tochange data, which is used as a reference for a planning layout, in thesame layout.

System Response
The planning layout cannot be executed with the current settings.

Procedure
Change the settings of the planning layout so that the conflictdescribed cannot occur.