How To Fix SRT_REG031 - Original interface does not match Web Service definition

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_REG - SRT Registry

• Message number: 031

• Message text: Original interface does not match Web Service definition

What causes this issue?

The information about the original interface stored in the
configuration does not match the definition of the Web Service.
This can be the case if the definition of the Web Service or virtual
interface is changed after the Web Service is released.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change the current settings. If you access the settings in change mode,
the information about the original interface is adjusted automatically.
Save the settings.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_REG031 - Original interface does not match Web Service definition ?

  The SAP error message SRT_REG031 indicates that there is a mismatch between the original interface of a web service and its defined interface in the SAP system. This typically occurs in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO) when the web service definition does not align with the actual implementation.
  Causes:
  
  Changes in the Web Service Definition: If the web service definition (WSDL) has been modified after the service was registered, it may lead to discrepancies.
  Version Mismatch: The version of the web service being called does not match the version that is registered in the SAP system.
  Incorrect Configuration: The service might be incorrectly configured in the SAP system, leading to a mismatch in expected parameters or data types.
  Transport Issues: If the web service was transported from one environment to another (e.g., from development to production), the definitions may not have been updated correctly.
  
  Solutions:
  
  
  Update the Service Definition:
  
  Ensure that the web service definition (WSDL) is up to date and matches the implementation. You may need to regenerate the service interface in SAP.
  Use transaction SOAMANAGER to manage and update the web service definitions.
  
  
  
  Re-register the Web Service:
  
  If changes have been made to the web service, re-register it in the SAP system. This can be done through the Service Registry in SOAMANAGER.
  
  
  
  Check for Versioning:
  
  Verify that the correct version of the web service is being called. If there are multiple versions, ensure that the correct one is being referenced in the configuration.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP system for the web service. Ensure that all parameters, data types, and expected inputs match the web service definition.
  
  
  
  Transport Consistency:
  
  If the web service was transported, ensure that all related objects and definitions were transported correctly. You may need to check the transport logs for any issues.
  
  
  
  Testing:
  
  After making changes, test the web service using tools like SOAP UI or Postman to ensure that it is functioning as expected.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web services and their configurations.
  SICF: For checking the HTTP services and their status.
  SRT_UTIL: For monitoring and troubleshooting web service runtime issues.
  
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on web services and troubleshooting common issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to SRT_REG031 or web service configurations.
  
  
  By following these steps, you should be able to resolve the SRT_REG031 error and ensure that your web service interfaces are correctly aligned with their definitions.