How To Fix ARUN_MAIN042 - Posición &1 asignada; no puede modif.&2 en reparto &3 (cons.tx.expl.&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 042

• Message text: Posición &1 asignada; no puede modif.&2 en reparto &3 (cons.tx.expl.&4)

¿Qué causa este problema?

The material is relevant to Supply Assignment (ARun) and an assignment
exists for this document item.
You cannot change the document item for one of the following reasons:
The unassign rule field check is set to <ZK>Error </>in Customizing
under <LS>Cross-Application Components > Advanced Available-to-Promise
(aATP) > Supply Assignment (ARun) > Cross-Applications</>.
The item is already assigned; therefore, the material cannot be changed.

Respuesta del sistema

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

¿Cómo arreglar este error?

You can set the field check from Error to one of the following options.
N = No Action
W = Warnings Before an Order is Unassigned
For application types (purchase orders, inline confirmations, and
inbound deliveries), you can set the Customizing under <LS>Cross-
Application Components > Advanced Available-to-Promise (aATP) > Supply
Assignment (ARun) > Cross-Applications > > Purchase Order Handling</>.
For application types (stock transport orders), you can set the
Customizing under <LS>Cross-Application Components > Advanced
Available-to-Promise (aATP) > Supply Assignment (ARun) >
Cross-Applications > Stock Transport Order Handling</>.

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