How To Fix /UI2/CDMFCC341 - Action &1 for &2 &3 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 341

• Message text: Action &1 for &2 &3 is unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMFCC341 - Action &1 for &2 &3 is unknown ?

  The SAP error message /UI2/CDMFCC341 Action &1 for &2 &3 is unknown typically occurs in the context of SAP Fiori applications or the SAP UI5 framework. This error indicates that the system is unable to recognize the action specified in the request, which can be due to various reasons.
  Causes:
  
  Incorrect Action Name: The action name specified in the request might be misspelled or does not exist in the backend service.
  Service Not Activated: The OData service that provides the action might not be activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to execute the specified action.
  Backend Issues: There could be issues with the backend system, such as missing implementations or errors in the service definition.
  Version Mismatch: The frontend application might be expecting a different version of the OData service than what is available.
  
  Solutions:
  
  Check Action Name: Verify that the action name specified in the request is correct and matches the action defined in the OData service.
  Activate OData Service: Go to the SAP Gateway and ensure that the OData service is activated. You can do this using transaction code /IWFND/MAINT_SERVICE.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the action. You can check this in transaction code SU53 after the error occurs.
  Review Backend Implementation: Check the backend implementation of the OData service to ensure that the action is correctly defined and implemented.
  Test OData Service: Use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service directly and see if the action can be executed successfully.
  Check for Updates: Ensure that both the frontend and backend components are up to date and compatible with each other.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific error message or the OData service you are using.
  Debugging: If you have access, you can debug the backend service to see where the error is occurring.
  Logs: Review the application logs (transaction SLG1) for any additional error messages that might provide more context.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.