How To Fix RM459 - Decoupled confirmation has already been post-executed for PDC no. &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 459

• Message text: Decoupled confirmation has already been post-executed for PDC no. &1

What causes this issue?

The PDC backflush document &V1& is a backflush document for which the
goods issues and/or the production activities were originally
separated. In the mean time, however, these separated postings have
been carried out. Therefore, you can no longer reverse this document.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM459 - Decoupled confirmation has already been post-executed for PDC no. &1 ?

  The SAP error message RM459, which states "Decoupled confirmation has already been post-executed for PDC no. &1," typically occurs in the context of production order confirmations, particularly when using the Decoupled Confirmation (PDC) functionality in SAP. This error indicates that a confirmation for a specific Production Data Collection (PDC) number has already been processed, and the system does not allow for a duplicate confirmation.
  Cause:
  
  Duplicate Confirmation Attempt: The most common cause of this error is that there is an attempt to post a confirmation for a PDC number that has already been confirmed in the system.
  System Configuration: There may be specific configurations or settings in the system that prevent multiple confirmations for the same PDC number.
  Data Integrity Issues: There could be issues with data integrity or inconsistencies in the database that lead to the system believing that a confirmation has already been posted.
  
  Solution:
  
  
  Check Existing Confirmations: Verify if a confirmation has already been posted for the PDC number in question. You can do this by checking the production order or the confirmation history.
  
  Use transaction codes like CO03 (Display Production Order) or CORS (Display Confirmation) to review the confirmations.
  
  
  
  Avoid Duplicate Posting: Ensure that you are not attempting to post the same confirmation again. If you need to make changes, consider using the appropriate transaction to reverse or adjust the existing confirmation instead of trying to post a new one.
  
  
  Review Configuration: If you believe that the system should allow multiple confirmations, review the configuration settings related to decoupled confirmations in your SAP system. This may involve consulting with your SAP Basis or configuration team.
  
  
  Error Handling: If you encounter this error during a batch process or automated job, ensure that the logic handling the confirmations is correctly designed to avoid duplicates.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using, as there may be additional insights or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot determine the cause, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO11N (Enter Production Order Confirmation) and CORS (Display Confirmation).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that the user attempting to post the confirmation has the necessary authorizations to do so.
  
  By following these steps, you should be able to identify the cause of the RM459 error and take appropriate action to resolve it.