How To Fix SPXN153 - WSDL invalid. Response Message Type needs name and namespace

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 153

• Message text: WSDL invalid. Response Message Type needs name and namespace

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN153 - WSDL invalid. Response Message Type needs name and namespace ?

  The SAP error message SPXN153 indicates that there is an issue with the Web Service Definition Language (WSDL) file being used in your SAP system. Specifically, the error states that the "Response Message Type needs name and namespace," which suggests that the WSDL is missing required attributes for the response message type.
  Cause:
  
  WSDL Configuration Issues: The WSDL file may not be properly configured, leading to missing or incorrect definitions for the response message type.
  Namespace Problems: The WSDL may not have the correct namespace defined for the response message, which is essential for SOAP-based web services.
  Service Definition Errors: There may be errors in the service definition within the SAP system that are causing the WSDL to be generated incorrectly.
  Version Mismatch: If there are version mismatches between the service consumer and provider, it could lead to issues with the WSDL.
  
  Solution:
  
  
  Check WSDL File: Review the WSDL file to ensure that the response message type is defined correctly with both a name and a namespace. The response message should look something like this:
  <wsdl:message name="ResponseMessage">
      <wsdl:part name="parameters" element="tns:ResponseElement"/>
  </wsdl:message>
  Ensure that the tns prefix is correctly defined in the WSDL.
  
  
  Regenerate WSDL: If you have made changes to the service or if the WSDL is generated dynamically, try regenerating the WSDL to ensure it reflects the current service definition.
  
  
  Check Service Definition in SAP: Go to the relevant transaction in SAP (like SOAMANAGER) and verify the service definition. Ensure that all required fields are filled out correctly.
  
  
  Namespace Declaration: Ensure that the namespace is declared correctly at the top of the WSDL file. For example:
  <wsdl:types>
      <xsd:schema targetNamespace="http://example.com/namespace">
          ...
      </xsd:schema>
  </wsdl:types>
  
  
  Consult Documentation: Refer to SAP documentation or community forums for specific guidance related to the version of SAP you are using, as there may be known issues or patches available.
  
  
  Testing: After making changes, test the web service again to see if the error persists.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to WSDL generation and the specific error message SPXN153.
  Web Service Configuration: Familiarize yourself with the configuration of web services in SAP, including the use of SOAMANAGER for managing web service settings.
  SOAP UI or Postman: Use tools like SOAP UI or Postman to test the WSDL and the web service independently to ensure that the issue is not with the client consuming the service.
  
  By following these steps, you should be able to identify and resolve the issue causing the SPXN153 error in your SAP environment.