How To Fix WPRO_XI_PROXY043 - Discarding inbound processing in PPO: Order ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 043

• Message text: Discarding inbound processing in PPO: Order ID &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPRO_XI_PROXY043 - Discarding inbound processing in PPO: Order ID &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPRO_XI_PROXY043: Discarding inbound processing in PPO: Order ID &1
  
  Meaning / Cause:
  This error occurs in the context of SAP Process Orchestration (PO) or SAP PI (Process Integration) when an inbound message processing is discarded in the Post Processing Order (PPO) queue. The message with the specified Order ID (&1) is not processed further because the system has decided to discard it.
  Common causes include:
  
  
  Duplicate Message Processing:
  
  The message with the given Order ID has already been processed or is being processed, and the system detects a duplicate inbound message.
  
  
  Message Already Processed or Locked:
  
  The inbound message is locked or already processed, so the system discards the duplicate inbound processing to avoid inconsistencies.
  
  
  Incorrect Configuration of the PPO Queue:
  
  The PPO queue might be misconfigured or corrupted, causing the system to discard inbound messages.
  
  
  Message Processing Errors:
  
  Previous errors in message processing might have caused the message to be stuck or discarded.
  
  
  
  Where does this happen?
  
  In SAP Process Orchestration (PO) or SAP PI during inbound message processing.
  Specifically, in the Post Processing Order (PPO) queue, which controls the order of message processing.
  
  
  Solution / Troubleshooting Steps:
  
  
  Check Message Status in SXMB_MONI or SAP PO Monitoring:
  
  Go to the SAP PI/PO monitoring tools (e.g., SXMB_MONI or the PO Message Monitoring).
  Search for the message with the given Order ID.
  Check if the message has already been processed or is in error status.
  
  
  
  Check for Duplicate Messages:
  
  Verify if the same message has been sent multiple times.
  If duplicates exist, investigate the sender system or interface to prevent resending.
  
  
  
  Clear or Reset the PPO Queue:
  
  Sometimes, the PPO queue might be stuck or corrupted.
  Use transaction SXI_CACHE or SXI_MONITOR to check and clear the PPO queue.
  Alternatively, restart the Integration Engine or the relevant adapter engine to reset the queue.
  
  
  
  Check for Lock Entries:
  
  Use transaction SM12 to check for any locked entries related to the message or PPO queue.
  If locks exist and are stale, consider releasing them carefully.
  
  
  
  Review Configuration:
  
  Verify the configuration of the inbound interface and the PPO queue.
  Ensure that the message processing order and queue settings are correct.
  
  
  
  Check for Notes and Patches:
  
  Search SAP Support Portal for any OSS Notes related to WPRO_XI_PROXY043.
  Apply relevant patches or fixes if available.
  
  
  
  
  Additional Information:
  
  
  PPO (Post Processing Order):
  
  The PPO queue ensures that messages are processed in the correct order, especially important for scenarios where message sequencing matters.
  
  
  Impact:
  
  Discarding inbound processing means the message is not processed further, which can lead to missing or incomplete data processing.
  
  
  Logging:
  
  Check the Integration Engine logs and trace files for more detailed error messages.
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WPRO_XI_PROXY043: Discarding inbound processing in PPO: Order ID &1
  
  
  Cause
  Duplicate or already processed message; PPO queue issues; message lock or configuration
  
  
  Solution
  Check message status, clear PPO queue, remove locks, verify configuration, check duplicates
  
  
  Tools
  SXMB_MONI, SXI_MONITOR, SM12, SXI_CACHE, SAP PO Monitoring
  
  
  Notes
  Check SAP OSS Notes for patches or known issues
  
  
  
  
  If you provide the exact scenario or system version, I can help you find more specific notes or steps.