How To Fix WRPC_XI_PROXY003 - Fill mandatory field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRPC_XI_PROXY -

• Message number: 003

• Message text: Fill mandatory field &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRPC_XI_PROXY003 - Fill mandatory field &1 ?

  Certainly! Here's a detailed explanation for the SAP error message WRPC_XI_PROXY003: Fill mandatory field &1:
  
  Error Message
  WRPC_XI_PROXY003: Fill mandatory field &1
  
  Cause
  This error occurs when a mandatory field in the proxy message structure is not filled before sending the message. In SAP PI/PO (Process Integration / Process Orchestration) or SAP XI (Exchange Infrastructure), proxy interfaces define certain fields as mandatory. If these fields are left empty or null during runtime, the system raises this error to indicate that the message does not comply with the interface contract.
  Common scenarios causing this error:
  
  The ABAP proxy or Java proxy is called without populating all required fields.
  Mapping or data transformation logic does not fill mandatory fields.
  Incorrect or incomplete data passed from the sender system.
  Custom code or user-exits that inadvertently clear mandatory fields.
  
  
  Solution
  To resolve this error, you need to ensure that all mandatory fields in the proxy message are properly filled before sending the message.
  Steps to fix:
  
  
  Identify the missing field:
  
  The error message will show the field name in place of &1.
  Check the proxy interface definition (in SE80 or Enterprise Services Builder) to confirm which fields are mandatory.
  
  
  
  Check the data source:
  
  Verify the source data or the calling program that populates the proxy.
  Ensure that the mandatory field is assigned a valid value.
  
  
  
  Review mappings and transformations:
  
  If the message goes through mappings, check if the mandatory field is correctly mapped.
  Fix any mapping errors or add default values if necessary.
  
  
  
  Debug the proxy call:
  
  Use debugging tools (e.g., ABAP debugger for ABAP proxies) to check the data before the proxy call.
  Confirm that the mandatory field is not empty or null.
  
  
  
  Adjust the interface if needed:
  
  If the field should not be mandatory, consider changing the interface definition (only if business requirements allow).
  
  
  
  Test the fix:
  
  After corrections, test the proxy call again to ensure the error no longer occurs.
  
  
  
  
  Related Information
  
  
  Transaction / Tools:
  
  SE80 (Object Navigator) to view proxy interfaces.
  SXMB_MONI (PI Message Monitor) to check message processing.
  SPROXY (Proxy Builder) to check proxy definitions.
  SE37 / SE24 for function modules or classes related to proxy.
  
  
  
  SAP Notes:
  
  Check SAP Notes related to proxy errors or mandatory fields for your SAP version.
  
  
  
  Proxy Types:
  
  ABAP Proxies (in ECC or S/4HANA)
  Java Proxies (in SAP PI/PO)
  
  
  
  Documentation:
  
  SAP Help Portal for Proxy Programming and Interface Design.
  SAP Community forums for similar issues.
  
  
  
  
  Summary
  The WRPC_XI_PROXY003 error indicates a mandatory field in the proxy message is missing. The solution is to identify the missing field, ensure it is populated correctly in the source data or mapping, and test the proxy call again.
  
  If you provide the exact field name or context, I can help you with more specific guidance!