How To Fix SPXN139 - Wrong Message type - XML QName of Message must be &1{&2}

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 139

• Message text: Wrong Message type - XML QName of Message must be &1{&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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN139 - Wrong Message type - XML QName of Message must be &1{&2} ?

  The SAP error message SPXN139 indicates that there is an issue with the message type in an XML message being processed. Specifically, the error states that the XML QName (Qualified Name) of the message does not match the expected format or value. The message typically includes placeholders like &1 and &2, which represent specific values related to the expected message type and the actual message type being processed.
  Cause:
  
  Incorrect Message Type: The XML message being sent or received does not match the expected message type defined in the SAP system.
  Configuration Issues: There may be a misconfiguration in the integration settings, such as incorrect mappings or settings in the middleware (like SAP PI/PO or other integration tools).
  Namespace Issues: The XML namespace may not be correctly defined or may not match the expected namespace in the SAP system.
  Version Mismatch: The version of the message being sent may not be compatible with the version expected by the SAP system.
  
  Solution:
  
  Check Message Type: Verify that the message type being sent matches the expected message type in the SAP system. This can be done by checking the configuration in the relevant integration scenario.
  Review XML Structure: Ensure that the XML structure adheres to the expected schema. Validate the XML against the XSD (XML Schema Definition) if available.
  Adjust Configuration: If you are using middleware (like SAP PI/PO), check the configuration settings for the sender and receiver agreements. Ensure that the message mappings are correctly set up.
  Namespace Verification: Ensure that the XML namespace is correctly defined and matches what the SAP system expects. This includes checking for any typos or discrepancies in the namespace URIs.
  Testing: After making the necessary adjustments, test the integration again to see if the error persists. Use tools like SOAP UI or Postman to simulate the message and check for errors.
  Consult Documentation: Refer to SAP documentation or integration guides for specific details on the expected message types and formats.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Integration Tools: If you are using SAP Process Integration (PI) or Process Orchestration (PO), review the relevant documentation for message mapping and configuration.
  Debugging: If you have access to the backend, consider enabling debugging or logging to capture more detailed information about the error when it occurs.
  
  By following these steps, you should be able to identify the root cause of the SPXN139 error and implement a solution to resolve it.