How To Fix WPRO_XI_PROXY027 - Inbound processing service &1, message ID &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 027

• Message text: Inbound processing service &1, message ID &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPRO_XI_PROXY027 - Inbound processing service &1, message ID &2 ?

  Certainly! Here's a detailed explanation for the SAP error message WPRO_XI_PROXY027:
  
  SAP Error Message: WPRO_XI_PROXY027
  Text: Inbound processing service &1, message ID &2
  
  Cause
  The error WPRO_XI_PROXY027 typically occurs during the inbound processing of a proxy message in SAP PI/PO (Process Integration / Process Orchestration) or SAP XI (Exchange Infrastructure). It indicates that the inbound processing service for the specified service (&1) and message ID (&2) encountered an issue.
  Common causes include:
  
  Incorrect or missing inbound service configuration: The inbound service (proxy service) is not properly configured or not active in the SAP system.
  Message ID not found or invalid: The message ID referenced does not exist or is not recognized by the inbound processing service.
  Communication or connectivity issues: Problems in the communication channel between the sender and the SAP system.
  Authorization issues: The user or system processing the inbound message lacks the necessary authorizations.
  Payload or message format errors: The inbound message payload does not conform to the expected format or schema.
  Runtime errors in the inbound processing logic: Errors in the ABAP proxy runtime or adapter modules.
  
  
  Solution
  To resolve the WPRO_XI_PROXY027 error, follow these steps:
  
  
  Check the Inbound Service Configuration:
  
  Verify that the inbound proxy service (&1) is correctly configured and active in the SAP system.
  Use transaction SPROXY to check the proxy objects and ensure they are generated and active.
  Confirm that the service interface and namespace match the sender's message.
  
  
  
  Verify the Message ID:
  
  Ensure that the message ID (&2) is valid and corresponds to the expected inbound message.
  Check the message monitoring in SAP PI/PO or the application logs in the SAP system.
  
  
  
  Check Communication Channels:
  
  Verify the communication channel configuration and connectivity.
  Check for network issues or firewall blocks.
  
  
  
  Review Authorizations:
  
  Ensure that the user or system processing the inbound message has the required authorizations.
  Check roles and profiles assigned.
  
  
  
  Analyze Payload and Message Format:
  
  Validate the inbound message payload against the expected XML schema or data structure.
  Use tools like the SAP PI message monitor or external XML validators.
  
  
  
  Check Runtime Logs and Traces:
  
  Use transaction SLG1 (Application Log) or SM58 (Transactional RFC) to check for runtime errors.
  Review the developer traces (ST22 for dumps) for any ABAP runtime errors.
  
  
  
  Regenerate Proxy Objects if Needed:
  
  If proxy objects are outdated or corrupted, regenerate them in SPROXY.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that might address known issues related to this error.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  SPROXY: Proxy object management.
  SXMB_MONI: SAP PI message monitoring.
  SLG1: Application log.
  SM58: Transactional RFC monitor.
  ST22: ABAP dump analysis.
  
  
  
  SAP Components:
  
  SAP PI/PO (Process Integration / Process Orchestration)
  SAP XI (Exchange Infrastructure)
  SAP NetWeaver Proxy Runtime
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Support Portal for notes related to WPRO_XI_PROXY027.
  Review SAP Help Portal documentation on proxy configuration and inbound processing.
  
  
  
  
  If you provide the exact service name (&1) and message ID (&2), I can help you with more specific troubleshooting steps.