How To Fix SRT_WSP636 - The WSDL document is not compatible with proxy class "&1": "&2&3&4"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 636

• Message text: The WSDL document is not compatible with proxy class "&1": "&2&3&4"

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP636 - The WSDL document is not compatible with proxy class "&1": "&2&3&4" ?

  The SAP error message SRT_WSP636 indicates that there is a compatibility issue between the WSDL (Web Services Description Language) document and the proxy class that is generated in SAP for consuming the web service. This error typically arises when there are discrepancies between the expected structure of the WSDL and the actual structure of the proxy class.
  Causes:
  
  WSDL Changes: The WSDL document has been modified after the proxy class was generated. This can happen if the web service provider has updated the service without notifying the consumer.
  Namespace Mismatch: The namespaces defined in the WSDL do not match those expected by the proxy class.
  Data Type Mismatches: The data types defined in the WSDL do not align with those in the proxy class. This can include changes in data types, missing elements, or additional elements.
  Versioning Issues: The version of the WSDL being used may not be compatible with the version of the proxy class.
  Incorrect Proxy Generation: The proxy class may not have been generated correctly or completely.
  
  Solutions:
  
  
  Regenerate the Proxy Class: 
  
  Go to the transaction SE80 (Object Navigator) or SE37 (Function Module) and regenerate the proxy class based on the current WSDL. This ensures that the proxy class is in sync with the latest WSDL.
  Use the option to "Create Proxy" and provide the updated WSDL URL.
  
  
  
  Check WSDL Compatibility:
  
  Review the WSDL document for any changes in structure, namespaces, or data types. Ensure that the WSDL is valid and accessible.
  Use tools like SOAP UI or Postman to validate the WSDL and test the web service.
  
  
  
  Update Service References:
  
  If the web service has been updated, ensure that all service references in your SAP system are updated to reflect the latest changes.
  
  
  
  Consult Documentation:
  
  Check the documentation provided by the web service provider for any changes or updates that may affect the WSDL.
  
  
  
  Error Logging:
  
  Enable detailed logging for the web service calls to capture more information about the error. This can help in diagnosing the issue further.
  
  
  
  Namespace Adjustments:
  
  If there are namespace issues, ensure that the namespaces in the WSDL are correctly defined and match those expected by the proxy class.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE80: Object Navigator for managing objects in SAP.
  SE37: Function Module for managing function modules and proxies.
  
  
  Web Service Testing Tools: Tools like SOAP UI or Postman can be used to test the WSDL and the web service independently of SAP.
  SAP Notes: Check SAP Notes for any known issues or patches related to web service consumption and proxy generation.
  
  By following these steps, you should be able to resolve the SRT_WSP636 error and ensure that your SAP system can successfully consume the web service.