How To Fix WPRO_XI_PROXY200 - *** Bonus Buy Handling **************************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 200

• Message text: *** Bonus Buy Handling **************************************************

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_PROXY200 - *** Bonus Buy Handling ************************************************** ?

  The SAP error message WPRO_XI_PROXY200 typically relates to issues in the SAP Process Integration (PI) or Process Orchestration (PO) environment, specifically involving proxy communication or message processing. The message text you provided includes " Bonus Buy Handling ", which suggests it is part of a custom or industry-specific scenario, possibly related to a promotional or sales process.
  
  Cause
  
  WPRO_XI_PROXY200 is an error raised by the SAP XI/PI proxy runtime when there is a problem processing a proxy message.
  The error often occurs due to:
  
  Incorrect or missing configuration in the Integration Directory or ESR (Enterprise Services Repository).
  Mismatch between the sender/receiver interfaces or message types.
  Issues in the payload structure or data that do not conform to the expected XML schema.
  Runtime errors in the proxy class or adapter modules.
  Network or connectivity issues between the sender system and the SAP PI/PO system.
  
  
  The " Bonus Buy Handling " part indicates the error occurred during processing of a specific business scenario or interface related to "Bonus Buy" (a promotional sales process). This might be a custom scenario or a standard industry solution.
  
  
  Solution
  
  
  Check the Detailed Error Log:
  
  Look into the SAP PI/PO message monitoring (Transaction SXMB_MONI) or the Integration Engine logs to get the full error stack trace.
  Identify the exact point of failure (e.g., unmarshalling, mapping, adapter communication).
  
  
  
  Verify Configuration:
  
  Ensure the sender and receiver communication channels are correctly configured.
  Check the interface mappings and ensure the message types and namespaces match.
  Validate the ESR objects (data types, message types, service interfaces) used in the scenario.
  
  
  
  Validate Payload:
  
  Check the XML payload for correctness and compliance with the expected schema.
  Use the SAP PI/PO message editor to validate the message.
  
  
  
  Check Proxy Runtime:
  
  If the error is in the ABAP proxy runtime, check the proxy classes in the backend system.
  Regenerate the proxy classes if necessary (using transaction SPROXY).
  Check for any custom code in the proxy that might cause exceptions.
  
  
  
  Network and Connectivity:
  
  Verify network connectivity between the sender system and SAP PI/PO.
  Check for any firewall or security settings blocking communication.
  
  
  
  Consult SAP Notes and Documentation:
  
  Search for SAP Notes related to WPRO_XI_PROXY200.
  Check if there are known issues or patches available.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SXMB_MONI – Message Monitoring in SAP PI/PO.
  SPROXY – Proxy generation and management in SAP backend.
  SXI_MONITOR – Integration Engine monitoring.
  SM58 – For asynchronous RFC errors if proxy communication uses RFC.
  
  
  
  SAP Notes:
  
  Look for SAP Notes mentioning WPRO_XI_PROXY200 or proxy runtime errors.
  Example: SAP Note 1234567 (hypothetical) might describe common proxy runtime errors.
  
  
  
  Documentation:
  
  SAP PI/PO Integration Guide.
  SAP Proxy Runtime Error Handling documentation.
  Industry-specific solution guides if "Bonus Buy Handling" is part of a vertical solution.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Proxy runtime error due to configuration, payload, mapping, or connectivity issues.
  
  
  Solution
  Check logs, validate configuration and payload, regenerate proxies, verify connectivity.
  
  
  Related Info
  Use SXMB_MONI, SPROXY; check SAP Notes; review scenario-specific documentation.
  
  
  
  
  If you can provide the full error stack or more context (e.g., system landscape, scenario details), I can help with a more precise diagnosis.