How To Fix /IWFND/CM_COF_SRV027 - Action selected in UI is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_COF_SRV -

• Message number: 027

• Message text: Action selected in UI is not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_COF_SRV027 - Action selected in UI is not supported ?

  The SAP error message /IWFND/CM_COF_SRV027 Action selected in UI is not supported typically occurs in the context of SAP Fiori applications or OData services when a user attempts to perform an action that is not defined or supported by the backend service. This can happen for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  
  Unsupported Action: The action the user is trying to perform is not implemented in the OData service. This could be due to a missing function in the backend or an incorrect configuration.
  
  
  Service Metadata Issues: The OData service metadata might not be correctly defined, leading to the UI not recognizing the action.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the action, which can lead to the action being deemed unsupported.
  
  
  Incorrect UI Configuration: The UI might be configured to call an action that does not exist in the backend service.
  
  
  Version Mismatch: There may be a mismatch between the version of the Fiori app and the OData service it is trying to call.
  
  
  Solutions:
  
  
  Check OData Service Implementation:
  
  Verify that the action you are trying to perform is implemented in the OData service. You can do this by checking the service's metadata (usually accessible via the service URL with $metadata appended).
  
  
  
  Review UI Configuration:
  
  Ensure that the UI is correctly configured to call the appropriate action. Check the Fiori app configuration and ensure that the action name matches what is defined in the OData service.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to perform the action. You can check this in the SAP authorization management (PFCG).
  
  
  
  Update or Redefine the Service:
  
  If the action is missing, you may need to implement it in the backend service. This may involve modifying the service in the SAP Gateway or ABAP backend.
  
  
  
  Clear Cache:
  
  Sometimes, clearing the cache of the OData service or the Fiori app can resolve issues related to outdated metadata.
  
  
  
  Check for Notes and Updates:
  
  Look for any SAP Notes or updates related to the specific Fiori app or OData service you are using. There may be known issues or patches available.
  
  
  
  Related Information:
  
  SAP Gateway: Understanding how to work with SAP Gateway services can help in troubleshooting issues related to OData services.
  Fiori Elements: If you are using Fiori Elements, ensure that the annotations are correctly defined in the service.
  Transaction Codes: Use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and /IWFND/ERROR_LOG to check for errors related to OData services.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If the problem persists, consider reaching out to your SAP support team for further assistance.