How To Fix MPN02025 - Part &1 is not the leading part of a MPN-MRP set

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 025

• Message text: Part &1 is not the leading part of a MPN-MRP set

What causes this issue?

Material requirements planning for inventory-managed manufacturer
parts, which are organised in
<DS:GLOS.3608C3DABA271348E10000009B38F91F>MPN-MRP sets</>, only takes
place on each <DS:GLOS.360B297326F41628E10000009B38F984>leading
material</> in the group. Therefore, independent requirements
allocation is also triggered in an MPN-MRP set only represented by the
leading material.
Material &V1& in plant &V2& is part of an MPN-MRP set with leading part
&V3&.

System Response

Processing will be terminated.

How to fix this error?

Carry out display of total requirements for material &V3& in the same
plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN02025 - Part &1 is not the leading part of a MPN-MRP set ?

  The SAP error message MPN02025 indicates that the part you are trying to work with is not the leading part of a Multi-Part Number (MPN) Material Requirements Planning (MRP) set. This error typically arises in scenarios where you are dealing with MPNs, which are used to manage relationships between different parts or components that are interchangeable or related in some way.
  Cause:
  The error occurs when:
  
  You are attempting to perform an operation (like creating a purchase order, production order, etc.) on a part that is not designated as the leading part in the MPN set.
  The system expects you to work with the leading part, which is the primary part that governs the MPN set, while the part you are using is a subordinate or alternate part.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Leading Part: 
  
  Check the MPN set configuration in SAP to identify which part is designated as the leading part. You can do this by navigating to the relevant MPN settings in the material master or MPN management transactions.
  
  
  
  Use the Leading Part: 
  
  If you need to perform an operation, ensure that you are using the leading part instead of the subordinate part. This may involve changing the part number in your transaction to the leading part.
  
  
  
  Review MPN Configuration: 
  
  If you believe the part should be the leading part, review the MPN configuration to ensure that it is set up correctly. You may need to adjust the settings in the material master or MPN management to reflect the correct hierarchy.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources for more detailed guidance on MPN management and the specific configuration settings that govern MPN relationships.
  
  
  
  Contact Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide assistance based on your specific system configuration.
  
  
  
  Related Information:
  
  MPN Management: Understanding how MPNs work in SAP is crucial. MPNs are often used in industries where multiple suppliers provide interchangeable parts.
  Material Master: Familiarize yourself with the material master data, as it contains essential information about materials, including MPN settings.
  Transaction Codes: You may want to explore transaction codes related to MPN management, such as MM01 (Create Material), MM02 (Change Material), and MPN-specific transactions.
  
  By following these steps, you should be able to address the MPN02025 error and continue with your operations in SAP.