How To Fix /IWNGW/CM_HUB003 - The function '&1' is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 003

• Message text: The function '&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_HUB003 - The function '&1' is not supported ?

  The SAP error message /IWNGW/CM_HUB003 The function '&1' is not supported typically indicates that a specific function or operation you are trying to execute is not available or supported in the context of the SAP system you are working with. This error is often encountered in the context of SAP Gateway or when working with OData services.
  Causes:
  
  Unsupported Functionality: The function you are trying to call may not be implemented in the backend system or is not supported by the OData service.
  Incorrect Service Configuration: The OData service may not be properly configured to handle the requested function.
  Version Mismatch: There may be a version mismatch between the frontend and backend systems, leading to unsupported functions.
  Authorization Issues: The user may not have the necessary authorizations to execute the function.
  Service Activation: The OData service may not be activated in the SAP Gateway.
  
  Solutions:
  
  Check Functionality: Verify if the function you are trying to use is indeed supported by the OData service. You can do this by checking the service documentation or the service metadata.
  Service Configuration: Ensure that the OData service is correctly configured and that all necessary functions are implemented.
  Activate OData Service: If the service is not activated, you can activate it using the transaction code /IWFND/MAINT_SERVICE in the SAP GUI.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the function. You may need to check the roles and authorizations assigned to the user.
  Debugging: If you have access to the backend, you can debug the OData service to see where the error is occurring and gather more information about the unsupported function.
  Consult Documentation: Refer to the SAP Help Portal or relevant documentation for more details on the specific function and its requirements.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for service maintenance and /IWFND/GW_CLIENT for testing OData services.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.