How To Fix PPC1DM040 - Backflush record with ID &1 already transferred with different contents

SAP Error Message - Details

• Message type: E = Error

• Message class: PPC1DM - PP Backflush: Database Management and Communication

• Message number: 040

• Message text: Backflush record with ID &1 already transferred with different contents

What causes this issue?

Every backflush header record is identified by a unique GUID. The
backflush record just received with the header ID &V1& already exists in
the database, but with different content. A header record can be sent
several times to the ERP System over the BAPI, but it must be identical
with the record sent first.

System Response

The system rejects the backflush.

How to fix this error?

If you use the APO, send a message to SAP Support referring to this
message.
If you fill the BAPI interface yourself, check your coding.

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 PPC1DM040 - Backflush record with ID &1 already transferred with different contents ?

  The SAP error message PPC1DM040 indicates that there is an issue with backflush records in the Production Planning (PP) module. Specifically, it means that a backflush record with a specific ID has already been transferred, but the contents of the new record differ from the previously transferred record. This can occur in scenarios where there are discrepancies in the data being processed, such as differences in quantities, materials, or other relevant fields.
  Cause:
  
  Duplicate Backflush Record: The system is trying to process a backflush record that has already been processed, but with different data.
  Data Inconsistency: There may be inconsistencies in the data being sent to the backflush process, such as changes in material quantities or components.
  Timing Issues: If multiple processes are trying to backflush the same record simultaneously, it can lead to conflicts.
  Configuration Issues: Incorrect configuration in the backflush settings or production order settings may lead to this error.
  
  Solution:
  
  Check Existing Records: Verify if the backflush record with the specified ID has already been processed. You can do this by checking the relevant tables (e.g., MSEG for material documents).
  Review Data: Ensure that the data being sent for the backflush is consistent and correct. Check for any discrepancies in quantities, materials, or other fields.
  Reprocess the Record: If the record needs to be reprocessed, you may need to reverse the previous backflush or adjust the data accordingly before attempting to backflush again.
  Locking Mechanism: Ensure that there are no concurrent processes trying to backflush the same record. Implement proper locking mechanisms if necessary.
  Consult Documentation: Review SAP documentation or notes related to backflush processing for any specific configurations or known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like CO11N (for confirming production orders) or CO15 (for backflush) to investigate the issue further.
  Tables: Familiarize yourself with relevant tables such as MSEG (Document Segment: Material) and BKPF (Accounting Document Header) to analyze the data.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.