How To Fix /IWNGW/CM_HUB004 - The function import '&1' is not supported

/IWNGW/CM_HUB004 - Overview

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 004

• Message text: The function import '&1' is not supported

Self-Explanatory Message

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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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/IWNGW/CM_HUB004 - Details

• The SAP error message /IWNGW/CM_HUB004 The function import '&1' is not supported typically occurs in the context of SAP Gateway services, particularly when dealing with OData services. This error indicates that the function import you are trying to call is not recognized or supported by the system.
  Causes:
  
  Incorrect Function Import Name: The function import name specified in the OData request may be incorrect or misspelled.
  Service Not Activated: The OData service that contains the function import may not be activated in the SAP Gateway.
  Function Import Not Defined: The function import may not be defined in the OData service metadata.
  Authorization Issues: The user may not have the necessary authorizations to access the function import.
  Version Mismatch: There may be a mismatch between the client and server versions of the OData service.
  
  Solutions:
  
  Check Function Import Name: Verify that the function import name in your request matches exactly with what is defined in the OData service metadata.
  Activate