How To Fix WPRO_XI_PROXY029 - Error in message mapping; Forwarded to post processing office

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 029

• Message text: Error in message mapping; Forwarded to post processing office

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_PROXY029 - Error in message mapping; Forwarded to post processing office ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WPRO_XI_PROXY029 - Error in message mapping; Forwarded to post processing office
  
  Cause:
  This error occurs during the processing of an XI/PI (Process Integration) proxy message when the message mapping step fails. The mapping error can be due to:
  
  Incorrect or inconsistent mapping logic in the message mapping.
  Missing or incorrect data in the source message that causes the mapping to fail.
  Runtime exceptions in the mapping program (e.g., division by zero, null pointer exceptions).
  Incompatible data types or structures between source and target messages.
  Missing or incorrect configuration in the Integration Directory or ESR (Enterprise Services Repository).
  
  Because the message cannot be processed automatically, it is forwarded to the Post Processing Office (PPO) for manual intervention.
  
  Solution:
  
  
  Check the Error Details:
  
  Go to the Post Processing Office (transaction /SAPPO/PO or /SAPPO/POST).
  Find the failed message and check the detailed error log.
  Look for the exact cause of the mapping failure (e.g., which field or function caused the error).
  
  
  
  Analyze the Mapping:
  
  Open the message mapping in the ESR.
  Check the mapping logic for errors or inconsistencies.
  Validate the source message data against the mapping requirements.
  Use the mapping test tool in ESR to simulate the mapping with the actual source message data.
  
  
  
  Correct the Mapping or Source Data:
  
  Fix any errors in the mapping logic.
  If the source data is incorrect or incomplete, correct the sending system or add error handling in the mapping.
  Ensure all required fields are populated and data types match.
  
  
  
  Reprocess the Message:
  
  After fixing the issue, reprocess the message from the Post Processing Office.
  Monitor the message to ensure it processes successfully.
  
  
  
  Additional Checks:
  
  Verify the configuration in the Integration Directory (communication channels, receiver agreements).
  Check for any recent changes in the ESR or Integration Directory that might have introduced the error.
  Review system logs (SM21, SXMB_MONI) for related errors.
  
  
  
  
  Related Information:
  
  Post Processing Office (PPO): A tool in SAP PI/PO used to monitor and manually process failed messages.
  Message Mapping: A transformation step in SAP PI/PO that converts source message format to target message format.
  ESR (Enterprise Services Repository): Repository where message mappings and other design objects are maintained.
  Integration Directory: Configuration area for communication channels, receiver determinations, and interface determinations.
  Transaction Codes:
  
  /SAPPO/PO or /SAPPO/POST – Post Processing Office
  SXMB_MONI – Message Monitoring
  SM21 – System Log
  SPROXY – Proxy Configuration
  
  
  
  
  Summary:
  
  Cause: Mapping error during message processing due to incorrect mapping logic or data issues.
  Solution: Analyze and fix the mapping or source data, then reprocess the message in the Post Processing Office.
  Tools: Post Processing Office, ESR mapping test, Integration Directory, system logs.
  
  
  If you provide the exact error details or stack trace from the PPO, I can help you analyze the specific mapping error further.