How To Fix GA018 - Los campos de combinación no existen debido a la base receptora de la BD.

SAP Error Message - Details

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 018

• Message text: Los campos de combinación no existen debido a la base receptora de la BD.

¿Qué causa este problema?

You cannot change the combination fields for the receiver allocation
bases because you are using "Variable portions" as the receiver
allocation base in the group.

Respuesta del sistema

This function cannot be carried out.

¿Cómo arreglar este error?

Choose another function. If you want to use fixed percentages, fixed
portions, or fixed values as allocation bases, you must change the
allocation base rule in the group accordingly.

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