How To Fix SRT_REG021 - Feature '&' does not match Web Service definition

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_REG - SRT Registry

• Message number: 021

• Message text: Feature '&' does not match Web Service definition

What causes this issue?

The settings for the feature &V1& (&V2&&V3&&V4&) do not match the
definition of the Web Service. This can be the case if the
definition of the Web Service is changed after it is released.

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

System Response

How to fix this error?

Change the current settings. When you call up the settings in change
mode, the settings for the feature &V1& are 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_REG021 - Feature '&' does not match Web Service definition ?

  The SAP error message SRT_REG021 indicates that there is a mismatch between the feature being used in a web service call and the actual web service definition. This typically occurs in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO) when the service consumer and service provider are not aligned in terms of the expected features or operations.
  Cause:
  
  Feature Mismatch: The feature specified in the web service call does not match the features defined in the WSDL (Web Services Description Language) of the web service.
  WSDL Changes: If the WSDL has been updated or changed (e.g., new operations added, existing operations modified), and the consumer has not been updated accordingly, this error can occur.
  Incorrect Configuration: The configuration in the SAP system for the web service might be incorrect, leading to the system trying to access a feature that does not exist.
  Versioning Issues: If there are multiple versions of the web service, the consumer might be calling an outdated version that does not support the requested feature.
  
  Solution:
  
  Check WSDL: Verify the WSDL of the web service to ensure that the feature being called is indeed defined. You can do this by accessing the WSDL URL directly and reviewing the operations and features listed.
  Update Consumer: If the WSDL has changed, update the consumer application or configuration to align with the new WSDL definition.
  Configuration Review: Review the configuration settings in the SAP system for the web service. Ensure that the correct service endpoint and features are being used.
  Testing: Use tools like SOAP UI or Postman to test the web service independently of the SAP system to ensure that it is functioning as expected.
  Check for Versioning: If there are multiple versions of the web service, ensure that the correct version is being called by the consumer.
  Error Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that might provide additional context on the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to SRT_REG021.
  Documentation: Review SAP documentation on web services and integration scenarios to understand how features are defined and how to properly configure them.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the SRT_REG021 error and implement a solution to resolve it.