How To Fix MPN02078 - MPN-MRP Set &4 Already in FFF Class &1, Plant &2, MRP Area &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 078

• Message text: MPN-MRP Set &4 Already in FFF Class &1, Plant &2, MRP Area &3

What causes this issue?

The name of a <DS:GLOS.3608C3DABA271348E10000009B38F91F>MPN-MRP Set </>
may only be used once inside a plant and a MRP area, otherwise the
system may combine two MRP sets when moving MPN-MRP sets through
<DS:GLOS.3607AFB8AECD4ABAE10000009B38F9B8>FFF classes</>.

System Response

In plant &V2& and MRP area &V3& a MPN-MRP set already exists for FFF
class &V1&.

How to fix this error?

Enter a unique name for your MPN-MRP set in plant &V2&, MRP area &V3&.

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 MPN02078 - MPN-MRP Set &4 Already in FFF Class &1, Plant &2, MRP Area &3 ?

  The SAP error message MPN02078 indicates that there is an issue related to the MRP (Material Requirements Planning) settings for a specific material in a particular plant and MRP area. The message states that the MRP set is already assigned to a specific FFF (Flexible Forecasting Framework) class, which can lead to conflicts or issues when trying to process MRP for that material.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Assignment: The MRP set you are trying to assign is already linked to another FFF class for the same plant and MRP area.
  Configuration Issues: There may be incorrect or incomplete configuration settings in the MRP area or FFF class.
  Data Integrity Issues: There could be inconsistencies in the master data related to the material, plant, or MRP area.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the relevant transaction (e.g., MM02 for material master) and check the MRP settings for the material in question.
  Verify if the MRP set is already assigned to another FFF class. If so, you may need to remove or change that assignment.
  
  
  
  Review MRP Area Configuration:
  
  Ensure that the MRP area is correctly configured and that there are no conflicting settings.
  Check the configuration in the customizing settings (transaction SPRO) under the MRP area settings.
  
  
  
  Adjust FFF Class Assignments:
  
  If the MRP set needs to be used for a different FFF class, you may need to reassign it or create a new MRP set that does not conflict with existing assignments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to MRP and FFF classes for any specific guidelines or updates that may apply to your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MD01 (MRP Run), and SPRO (Customizing).
  SAP Notes: Search for SAP Notes related to MPN02078 for any specific patches or updates that may address this error.
  MRP Documentation: Review the MRP documentation in the SAP Help Portal for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.