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How To Fix WRPC_XI_PROXY006 - You must fill either &1 or &2


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WRPC_XI_PROXY -

  • Message number: 006

  • Message text: You must fill either &1 or &2

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WRPC_XI_PROXY006 - You must fill either &1 or &2 ?

    SAP Error Message:
    WRPC_XI_PROXY006: You must fill either &1 or &2


    Cause:

    This error occurs in SAP PI/PO (Process Integration / Process Orchestration) scenarios, specifically when dealing with proxy communication. The message indicates that during the processing of a proxy message, the system expects at least one of two fields (parameters) to be filled, but both are empty or missing.

    • The placeholders &1 and &2 represent the names of the two fields or parameters that are mandatory to have at least one filled.
    • This typically happens in scenarios where the proxy interface or mapping logic requires either one of two identifiers or data elements to be present to proceed.
    • It can also occur if the sender or receiver proxy message is missing required data elements that are mandatory for routing or processing.

    Typical Scenarios:

    • Missing key fields in the inbound or outbound proxy message.
    • Incorrect or incomplete data mapping in the integration flow or message mapping.
    • Mandatory fields not populated in the sender system or during message construction.
    • Validation logic in the proxy or adapter module enforcing that at least one of two fields must be filled.

    Solution:

    1. Identify the Fields:
      Check the error message details or logs to find out which two fields &1 and &2 refer to. These will be the fields that the system expects to have at least one filled.

    2. Check the Message Payload:

      • Review the XML payload of the proxy message.
      • Verify if either of the two fields is populated.
      • If both are empty, update the sender system or mapping to ensure at least one is filled.
    3. Review Mapping and Interface Definitions:

      • Check the message mapping or operation mapping to ensure that the required fields are mapped correctly.
      • Validate the interface definition (e.g., the proxy interface) to confirm the mandatory fields.
    4. Sender System Data:

      • Ensure that the sender system is sending the required data.
      • If the data is optional, confirm that the business logic allows one of the two fields to be empty but not both.
    5. Enhance Validation or Error Handling:

      • If applicable, add validation in the mapping or adapter module to catch this earlier.
      • Provide meaningful error messages or default values if business logic allows.
    6. Testing:

      • After corrections, test the scenario end-to-end to confirm that the error no longer occurs.

    Related Information:

    • This error is common in SAP PI/PO proxy scenarios where the interface expects conditional mandatory fields.
    • Check SAP Notes or the SAP Support Portal for any specific notes related to your SAP PI/PO version.
    • Review the interface metadata in the Enterprise Services Repository (ESR) or Integration Directory.
    • If using custom adapter modules or user-defined functions, verify their logic regarding mandatory fields.

    Summary:

    • Cause: Both of two mandatory fields are empty in a proxy message.
    • Solution: Ensure at least one of the two fields (&1 or &2) is filled in the message payload or mapping.
    • Check: Message payload, mapping, interface definitions, and sender system data.

    If you provide the actual field names or the context (e.g., sender system, interface name), I can help you with more specific guidance.

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