How To Fix /IWPGW/TGW_TCM_MSG013 - Function import '&1' is not supported

/IWPGW/TGW_TCM_MSG013 - Overview

• Message type: E = Error

• Message class: /IWPGW/TGW_TCM_MSG -

• Message number: 013

• Message text: Function import '&1' is not supported

Self-Explanatory Message

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/IWPGW/TGW_TCM_MSG013 - Details

• The SAP error message /IWPGW/TGW_TCM_MSG013 Function import '&1' is not supported typically indicates that a function import (a specific type of operation in OData services) is being called that is not recognized or supported by the system. This can occur in various scenarios, particularly when working with OData services in SAP Gateway.
  Causes:
  
  Function Import Not Defined: The function import you are trying to call may not be defined in the OData service.
  Service Activation: The OData service might not be activated in the SAP Gateway.
  Incorrect URL: The URL used to call the function import may be incorrect or malformed.
  Authorization Issues: There may be authorization issues preventing access to the function import.
  Version Mismatch: The client application may be using a different version of the OData service that does not include the function import.
  Service Metadata: The metadata of the OData service may not be updated, leading to discrepancies in available functions.
  
  Solutions:
  
  
  Check Function Import Definition:
  
  Verify