How To Fix MPN02066 - Product group &1 in plant &2 has been generated for a MPN-MRP set.

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 066

• Message text: Product group &1 in plant &2 has been generated for a MPN-MRP set.

What causes this issue?

The Product Group &V1& in Plant &V2& has been generated using the MPN
MRP set maintenance, and is assigned to MRP set &V3&. To avoid possible
inconsistencies, the System does not allow you to maintain product
groups manually using the standard transaction. In the background, the
composition of the product group is controlled automatically by MPN MRP
set maintenance. This means that the members always correspond to the
interchangeable materials of the assigned MRP set. You cannot change
this composition manually.

System Response

The maintenance transaction for this product group is not carried out.

How to fix this error?

You can only start product group maintenance in display mode.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN02066 - Product group &1 in plant &2 has been generated for a MPN-MRP set. ?

  The SAP error message MPN02066 indicates that a product group has been generated for a Material Planning Network (MPN) in a specific plant. This message typically arises in the context of MPN (Multi-Project Network) settings in SAP, particularly when dealing with materials that are part of a planning network.
  Cause:
  The error message MPN02066 can occur due to several reasons, including:
  
  Configuration Issues: The product group may not be properly configured in the system for the specified plant.
  Missing Master Data: There may be missing or incomplete master data related to the product group or the MPN settings.
  Inconsistent Data: There could be inconsistencies in the data related to the MPN settings, such as incorrect assignment of materials to the product group.
  MRP Settings: The MRP (Material Requirements Planning) settings for the product group may not be correctly defined.
  
  Solution:
  To resolve the MPN02066 error, you can take the following steps:
  
  
  Check Product Group Configuration:
  
  Verify that the product group is correctly configured in the system for the specified plant. Ensure that all necessary settings are in place.
  
  
  
  Review Master Data:
  
  Ensure that all relevant master data (material master, MPN settings, etc.) is complete and accurate. Check for any missing fields or incorrect entries.
  
  
  
  Validate MPN Settings:
  
  Review the MPN settings to ensure that materials are correctly assigned to the product group and that the MPN-MRP settings are consistent.
  
  
  
  MRP Configuration:
  
  Check the MRP configuration for the product group. Ensure that all necessary parameters are set correctly, including planning strategies, lot sizing, and other relevant settings.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on MPN and product group configurations.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  MPN (Multi-Project Network): A feature in SAP that allows for the management of materials across multiple projects or plants.
  MRP (Material Requirements Planning): A system for calculating the materials and components needed to manufacture a product.
  Product Group: A classification of materials that share similar characteristics and are managed together in the planning process.
  
  By following these steps, you should be able to identify and resolve the cause of the MPN02066 error in your SAP system.