How To Fix /PF1/MSG_PO_BAPI_POR131 - Erroneous reversal of order &1 wasn't undone - BAPI is not TA owner

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_BAPI_POR -

• Message number: 131

• Message text: Erroneous reversal of order &1 wasn't undone - BAPI is not TA owner

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_BAPI_POR131 - Erroneous reversal of order &1 wasn't undone - BAPI is not TA owner ?

  The SAP error message /PF1/MSG_PO_BAPI_POR131 indicates that there was an attempt to reverse a purchase order (PO) but the operation failed because the BAPI (Business Application Programming Interface) is not the technical owner of the transaction. This typically occurs in scenarios where the system is trying to perform a reversal operation on a purchase order that was not created or managed by the BAPI being used.
  Cause:
  
  Ownership Issue: The BAPI being called does not have the necessary authorization or ownership to perform the reversal on the specified purchase order.
  Transaction Locking: The purchase order may be locked by another transaction or user, preventing the BAPI from executing the reversal.
  Incorrect BAPI Usage: The BAPI may not be the correct one for the operation being attempted, or it may not be configured properly.
  Data Inconsistency: There may be inconsistencies in the data related to the purchase order that prevent the reversal from being processed.
  
  Solution:
  
  Check BAPI Ownership: Ensure that the BAPI being used is the correct one for the reversal operation and that it has the necessary permissions to access and modify the purchase order.
  Verify Transaction Lock: Check if the purchase order is currently being accessed or modified by another user or transaction. If so, wait for the lock to be released.
  Use Correct BAPI: Make sure you are using the appropriate BAPI for the reversal operation. For example, if you are trying to reverse a goods receipt, ensure you are using the correct BAPI for that specific action.
  Review Data Consistency: Check the purchase order for any inconsistencies or errors that may prevent the reversal. This may involve reviewing the order history, status, and any related documents.
  Consult Documentation: Refer to SAP documentation or help resources for the specific BAPI you are using to ensure it is being called correctly and that all required parameters are being passed.
  Error Logs: Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context on why the reversal failed.
  
  Related Information:
  
  BAPI Documentation: Review the SAP BAPI documentation for the specific BAPI you are using to understand its parameters and expected behavior.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide patches related to the BAPI or purchase order processing.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to successfully reverse the purchase order.