How To Fix WRPC_XI_PROXY009 - The InternalBoundaryTypeCode &1 is not supported in this service

WRPC_XI_PROXY009 - Overview

• Message type: E = Error

• Message class: WRPC_XI_PROXY -

• Message number: 009

• Message text: The InternalBoundaryTypeCode &1 is not supported in this service

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.

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WRPC_XI_PROXY009 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRPC_XI_PROXY009: The InternalBoundaryTypeCode &1 is not supported in this service
  
  
  Cause:
  This error occurs when a message or proxy call contains an InternalBoundaryTypeCode value that is not recognized or supported by the target SAP service or interface. The InternalBoundaryTypeCode is typically a code used in certain business documents or interfaces (e.g., in logistics or supply chain scenarios) to specify a type of boundary or division within the document or process.
  In other words, the service or proxy you are calling expects a certain set of valid codes for the InternalBoundaryTypeCode field, but the message contains a code that is either:
  
  Not defined in the service's metadata or configuration.
  Not supported by the backend system or interface.
  Possibly a typo or incorrect value sent from the sender system.
  
  
  Typical Scenarios:
  
  Integration between SAP PI/PO and backend SAP ECC or S/4HANA systems.
  Proxy or web service calls where the message