How To Fix MPN02033 - You cannot change the FFF class, & belongs to a MPN-MRP set

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 033

• Message text: You cannot change the FFF class, & belongs to a MPN-MRP set

What causes this issue?

The &V1& material is assigned to an MPN MRP set. You must not change
the assignment to the old &V2& FFF class, while the material is
assigned to an MPN MRP set.

System Response

Processing terminates.

How to fix this error?

Remove the material from all MPN MRP sets, or do not change the FFF
class.

Procedure for System Administrators

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 MPN02033 - You cannot change the FFF class, & belongs to a MPN-MRP set ?

  The SAP error message MPN02033 indicates that you are trying to change the FFF (Flexible Forecasting and Fulfillment) class of a material that is part of a Multi-Plant Network (MPN) Material Requirements Planning (MRP) set. This error typically arises in the context of managing materials and their forecasting settings within the SAP system.
  Cause:
  The error occurs because the FFF class is linked to specific settings and configurations that are tied to the MPN-MRP set. When a material is part of an MPN-MRP set, certain attributes, including the FFF class, are locked to maintain data integrity and consistency across the network of materials. Changing the FFF class could disrupt the forecasting and planning processes that rely on these settings.
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check MPN-MRP Set Configuration: Review the configuration of the MPN-MRP set to understand the implications of changing the FFF class. Ensure that the change is necessary and justified.
  
  
  Remove Material from MPN-MRP Set: If you need to change the FFF class, you may need to remove the material from the MPN-MRP set temporarily. This can be done through the appropriate transaction codes (e.g., MM02 for material master changes) or configuration settings.
  
  
  Change the FFF Class: Once the material is no longer part of the MPN-MRP set, you can proceed to change the FFF class as needed.
  
  
  Reassign to MPN-MRP Set: After making the necessary changes, you can reassign the material back to the MPN-MRP set if required.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions related to your version of SAP, as the steps may vary slightly depending on the system configuration.
  
  
  Seek Help from SAP Support: If you are unsure about the changes or if the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MD01 (MRP Run), and others that may be involved in managing materials and MRP settings.
  SAP Notes: Check for any SAP Notes related to MPN and FFF class management, as they may provide additional insights or solutions.
  Training and Documentation: Ensure that users involved in material management are trained on the implications of MPN settings and FFF classes to prevent similar issues in the future.
  
  By following these steps, you should be able to address the error message MPN02033 effectively.