How To Fix WES_OUTBOUND048 - Node &1 is not defined in service operation &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 048

• Message text: Node &1 is not defined in service operation &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND048 - Node &1 is not defined in service operation &2 ?

  The SAP error message:
  WES_OUTBOUND048 Node &1 is not defined in service operation &2
  typically occurs in the context of SAP PI/PO (Process Integration / Process Orchestration) or SAP Cloud Platform Integration when dealing with web services or SOAP message processing.
  
  Cause
  This error indicates that the XML node (element) named &1 (the actual node name is substituted at runtime) is not defined or expected in the WSDL or service operation &2 (the actual service operation name is substituted at runtime).
  In other words, the message payload contains an XML element (node) that is not part of the service operation's defined message structure (as per the WSDL or service metadata). This mismatch can happen due to:
  
  The sender system is sending an unexpected or extra XML element.
  The WSDL or service interface has changed, but the sender or receiver is not updated accordingly.
  Incorrect mapping or message construction in the integration flow or proxy.
  The service operation expects a certain XML schema, but the actual message does not conform to it.
  
  
  Solution
  
  
  Check the WSDL and Service Operation Definition:
  
  Verify the WSDL of the service operation &2.
  Confirm which XML nodes are defined and expected.
  Identify if the node &1 is indeed missing or unexpected.
  
  
  
  Validate the Message Payload:
  
  Check the actual XML message being sent.
  Look for the node &1 in the payload.
  Confirm if this node should be part of the message or if it is an extra/incorrect element.
  
  
  
  Adjust the Sender or Mapping:
  
  If the node &1 is not supposed to be sent, correct the sender system or the mapping logic to remove it.
  If the node &1 is required, update the WSDL or service interface to include it, or use a different service operation that supports it.
  
  
  
  Synchronize Interface Definitions:
  
  Ensure that both sender and receiver have consistent interface definitions.
  If the service interface has changed, update the integration artifacts accordingly.
  
  
  
  Check Integration Flow or Proxy Configuration:
  
  If using SAP PI/PO, check the operation mapping and message mapping.
  Make sure the mapping does not introduce unexpected nodes.
  Validate the message type and namespace correctness.
  
  
  
  Regenerate Proxy or Consumer Artifacts:
  
  If using SAP proxies, regenerate them after interface changes.
  
  
  
  
  Related Information
  
  
  SAP Note / Documentation:
  
  Check SAP Notes related to WES_OUTBOUND messages or SOAP interface errors.
  SAP Help Portal on Web Service and SOAP message processing.
  
  
  
  Common Contexts:
  
  Occurs in scenarios involving SOAP web services, XI/PI message processing.
  Often related to interface mismatch or schema validation errors.
  
  
  
  Debugging Tips:
  
  Use transaction SXMB_MONI (PI Message Monitoring) to inspect messages.
  Use SOAP UI or similar tools to test the web service with the expected payload.
  Enable trace or logging on the integration engine to capture detailed error info.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  Node &1 is not defined in service operation &2
  
  
  Cause
  XML node in message not defined in WSDL/service operation; interface mismatch
  
  
  Solution
  Verify WSDL and payload; correct sender or mapping; synchronize interface definitions
  
  
  Tools
  SXMB_MONI, SOAP UI, WSDL inspection, mapping editor
  
  
  Context
  SAP PI/PO, SOAP web services, proxy communication
  
  
  
  
  If you provide the actual node name and service operation, I can help you analyze the specific case further.