How To Fix WPRO_XI_PROXY001 - Postprocessing &2, service &1: Transfer to forward error handling failed

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 001

• Message text: Postprocessing &2, service &1: Transfer to forward error handling failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WPRO_XI_PROXY001 - Postprocessing &2, service &1: Transfer to forward error handling failed ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPRO_XI_PROXY001 Postprocessing &2, service &1: Transfer to forward error handling failed
  
  Meaning / Cause:
  This error occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when a proxy message processing fails and the system attempts to forward the message to an error handling or forwarding service, but this transfer itself fails.
  
  &2: Placeholder for the postprocessing step or component name.
  &1: Placeholder for the service name (usually the forwarding or error handling service).
  
  Typical causes include:
  
  
  Configuration issues:
  
  The error forwarding service or endpoint is not correctly configured or is missing.
  The communication channel for the error handling service is inactive or incorrectly set up.
  
  
  
  Runtime issues:
  
  The error handling service is down or unreachable.
  Network or connectivity problems between the sender system and the error handling service.
  Authorization or security issues preventing the message from being forwarded.
  
  
  
  Message content issues:
  
  The message format or payload is corrupted or incompatible with the error handling service.
  
  
  
  
  Solution / Troubleshooting Steps:
  
  
  Check the error forwarding configuration:
  
  Verify the configuration of the error forwarding service in the Integration Directory or ESR.
  Ensure the communication channel for the error handling service is active and correctly configured.
  
  
  
  Check the status of the error handling service:
  
  Confirm that the error handling service (e.g., an error queue, adapter, or endpoint) is up and running.
  Test connectivity to the error handling endpoint.
  
  
  
  Review system logs and traces:
  
  Check the SAP PI/PO system logs (SM21, SXMB_MONI, SXI_MONITOR) for more detailed error messages.
  Look for network or authorization errors.
  
  
  
  Check authorization and security:
  
  Ensure that the user or system sending the message to the error handling service has the necessary permissions.
  Verify SSL certificates or other security settings if applicable.
  
  
  
  Retry or manually handle the message:
  
  If automatic forwarding fails, consider manual intervention to process or re-route the message.
  Use transaction SXMB_MONI to monitor and reprocess failed messages.
  
  
  
  Patch or update:
  
  Check for SAP Notes related to this error message and apply any relevant patches or corrections.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SXMB_MONI - Monitor Integration Engine messages.
  SXI_MONITOR - Monitor Integration Engine.
  SM21 - System log.
  SM59 - Check RFC destinations (if applicable).
  
  
  
  SAP Notes:
  
  Search for SAP Notes with keywords like "WPRO_XI_PROXY001" or "Transfer to forward error handling failed" for specific fixes or known issues.
  
  
  
  Documentation:
  
  SAP PI/PO Administration and Troubleshooting guides.
  SAP Help Portal for Process Integration.
  
  
  
  
  If you provide more context (e.g., system version, scenario details), I can help narrow down the cause or suggest more specific solutions.