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

Self-Explanatory Message

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• 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:
  
  
  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.
  
  
  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.
  
  
  
  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.
  
  
  
  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.
  
  
  
  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.
  
  
  
  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.