How To Fix MPN004 - MPN material & not assigned to material &

MPN004 - Overview

• Message type: E = Error

• Message class: MPN - System Messages re Manufacturer Part Number Management

• Message number: 004

• Message text: MPN material & not assigned to material &

What causes this issue?

Each <DS:GLOS.3526C020AFAB52B9E10000009B38F974>MPN material</> must be
assigned to just one of your firm's own, inventory-managed materials
via material master record maintenance.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose an MPN material that is assigned to your firm's own material.
(In doing so, you can make use of the input help facility.)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN004 - MPN material & not assigned to material & ?

  The SAP error message MPN004 typically indicates that a Material Planning Number (MPN) is not assigned to a specific material in the system. This error can occur in various scenarios, such as during the creation of purchase orders, when trying to use MPNs in procurement processes, or when performing material master data maintenance.
  
  Cause:
  The error message MPN004 is triggered when:
  
  The MPN you are trying to use is not linked to the material in the material master.
  The MPN is not maintained in the relevant MPN data for the material.
  There may be a mismatch in the MPN data or the material number being referenced.
  
  
  Solution:
  To resolve the MPN004 error, you can follow these steps:
  
  
  Check MPN Assignment:
  
  Go to the material master record for the material in question (Transaction Code: MM03).
  Navigate to the "Purchasing" view and check if the MPN is assigned correctly.
  
  
  
  Maintain MPN Data:
  
  If the MPN is not assigned, you can assign it by going