How To Fix STGR049 - Ya existe línea con entradas &1 &2 &3; no se permite la clave doble

SAP Error Message - Details

• Message type: E = Error

• Message class: STGR - Hold store grouping messages

• Message number: 049

• Message text: Ya existe línea con entradas &1 &2 &3; no se permite la clave doble

¿Qué causa este problema?

The grid already contains the combination that you chose. Lines cannot
be duplicated.
Even if the existing line where that combination is found is marked as
deleted, the system considers that line to be an existing line.

¿Cómo arreglar este error?

Choose another vendor, vendor sub-range, and/or plant to create a
distinct line.
You cannot simply delete the line from the grid before creating a
similar one since the deletion is conditional to the modifications
being saved. If you did not save before attemping to create a similar
line, the line to be deleted still exists in the grid; you must save
first and then create a new line.

El sistema emite un mensaje de error y no le permitirá continuar con esta transacción hasta que se resuelva el error.

Extracto de mensaje de error del sistema SAP. Copyright SAP SE.