How To Fix /IWNGW/CM_HUB005 - The action '&1' is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 005

• Message text: The action '&1' 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.

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 /IWNGW/CM_HUB005 - The action '&1' is not supported ?

  The SAP error message /IWNGW/CM_HUB005 The action '&1' is not supported typically occurs in the context of SAP Gateway services, particularly when dealing with OData services. This error indicates that the action you are trying to perform is not recognized or supported by the system.
  Causes:
  
  Unsupported Action: The action you are trying to execute is not defined in the OData service or is not implemented in the backend.
  Incorrect Service Configuration: The OData service may not be properly configured to handle the requested action.
  Version Mismatch: There may be a mismatch between the client and server versions, leading to unsupported actions.
  Authorization Issues: The user may not have the necessary permissions to perform the action.
  Service Activation: The OData service might not be activated in the SAP Gateway.
  
  Solutions:
  
  
  Check OData Service Definition:
  
  Verify that the action you are trying to call is defined in the OData service. You can do this by checking the service metadata (usually accessible via the service URL with $metadata).
  
  
  
  Review Service Implementation:
  
  Ensure that the action is implemented in the backend system. If it is a custom action, check the implementation in the ABAP code.
  
  
  
  Service Activation:
  
  Make sure that the OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE to check the status of the service.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to perform the action. You can check this in transaction SU53 after the error occurs.
  
  
  
  Debugging:
  
  If you have access, you can debug the OData service to see where the error is occurring. This can provide insights into why the action is not supported.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific OData service you are using to ensure that you are using the correct actions and parameters.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Manage OData services.
  /IWFND/ERROR_LOG: Check error logs for OData services.
  
  
  
  SAP Notes: Search for relevant SAP Notes that might address known issues related to the specific OData service or actions.
  
  
  Community Forums: Check SAP Community or other forums for 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.