How To Fix MPN02031 - &1 has a planning part (&3) in plant &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 031

• Message text: &1 has a planning part (&3) in plant &2

What causes this issue?

A reference material exists for material &V1& in plant &V2&. Because
planning allocation for a mateiral in an
<DS:GLOS.3608C3DABA271348E10000009B38F91F>MPN-MRP set</> takes place
across all set materials, reference materials are not allowed.

How to fix this error?

Delete the field "Reference material" for material &V1& in plant &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN02031 - &1 has a planning part (&3) in plant &2 ?

  The SAP error message MPN02031 indicates that there is a planning part associated with a material in a specific plant. This error typically arises in the context of Material Requirements Planning (MRP) when the system encounters a situation where a material is set up as a planning part, but there may be issues with its configuration or usage in the planning process.
  Cause:
  
  Planning Part Configuration: The material is defined as a planning part in the system, which means it is intended to be managed through MRP. However, there may be inconsistencies or misconfigurations in the material master data.
  Material Master Data Issues: The material may not have the necessary data filled out in the material master, such as MRP views, or it may be set up incorrectly for the specific plant.
  MRP Settings: The MRP settings for the plant may not be correctly configured, leading to issues in how the planning part is being processed.
  Usage in BOM or Routing: The material may be referenced in a Bill of Materials (BOM) or routing that is not properly set up.
  
  Solution:
  
  Check Material Master Data: Review the material master data for the affected material in plant &2. Ensure that all necessary MRP views are correctly filled out and that the material is set up as intended.
  Review MRP Settings: Check the MRP settings for the plant to ensure that they are configured correctly. This includes checking the MRP type, lot size, and other relevant parameters.
  Validate BOM and Routing: If the material is part of a BOM or routing, ensure that these are correctly configured and that the material is valid in those contexts.
  Check Planning Part Status: If the material should not be a planning part, consider changing its status in the material master to reflect its actual usage.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling planning parts and MRP settings.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM03 (Display Material), MM02 (Change Material), or MD04 (Stock/Requirements List) to investigate the material's configuration and planning status.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  MRP Configuration: Familiarize yourself with MRP configuration settings in SAP, as understanding these can help in resolving issues related to planning parts.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in MRP and material management.