How To Fix MPN02008 - MPN-MRP set & 1 in plant &2 does not have a leading part

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 008

• Message text: MPN-MRP set & 1 in plant &2 does not have a leading part

What causes this issue?

For the <DS:GLOS.3608C3DABA271348E10000009B38F91F>MPN-MRP set</> &V1&
no material has been flagged as the
<DS:GLOS.360B297326F41628E10000009B38F984>leading part</> in plant
&V2&. There must be exactly one material flagged as the leading
material for every MPN-MRP set and plant.

How to fix this error?

Flag exactly one material as the leading material in every MPN-MRP set
and plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN02008 - MPN-MRP set & 1 in plant &2 does not have a leading part ?

  The SAP error message MPN02008 indicates that there is an issue with the Material Planning Network (MPN) settings in the system. Specifically, the message states that the MPN-MRP set for a particular plant does not have a leading part. This typically occurs in the context of MRP (Material Requirements Planning) when the system is trying to process a material that is part of a planning network but cannot find a designated leading part.
  Cause:
  
  Missing Leading Part: The MPN-MRP set for the specified plant does not have a leading part defined. A leading part is essential for the MPN to function correctly, as it serves as the primary reference for planning.
  Configuration Issues: There may be configuration issues in the MPN settings or the MRP settings for the plant.
  Data Inconsistencies: There could be inconsistencies or missing data in the material master records or MPN configuration.
  
  Solution:
  
  
  Check MPN Configuration:
  
  Go to the MPN configuration in SAP and verify that the MPN-MRP set for the specified plant has a leading part defined.
  If it is missing, you will need to add a leading part to the MPN-MRP set.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the material in question. Ensure that it is correctly set up in the relevant plant and that all necessary fields are filled out.
  Make sure that the MPN settings are correctly assigned to the material.
  
  
  
  Transaction Codes:
  
  Use transaction codes like MPN1 (to maintain MPN data) or MM02 (to change material master data) to make necessary adjustments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to MPN and MRP settings for additional guidance on how to configure leading parts.
  
  
  
  Testing:
  
  After making changes, run a test MRP run to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  MPN (Material Planning Network): This is a feature in SAP that allows for the planning of materials that are related to each other in a network. It is particularly useful for managing complex products that consist of multiple components.
  MRP (Material Requirements Planning): This is a production planning, scheduling, and inventory control system used to manage manufacturing processes.
  Leading Part: In the context of MPN, the leading part is the primary material that drives the planning process for the related components.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP MRP and MPN configurations.