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

MPN02066 - Overview

• 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