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

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWPGW/TGW_TCM_MSG -

• Message number: 013

• Message text: Function import '&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWPGW/TGW_TCM_MSG013 - Function import '&1' is not supported ?

  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 that the function import is defined in the OData service. You can do this by checking the service's metadata (usually accessible via the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata).
  
  
  
  Activate the OData Service:
  
  Ensure 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.
  
  
  
  Verify the URL:
  
  Double-check the URL you are using to call the function import. Ensure that it matches the expected format and includes the correct parameters.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the function import. You may need to check roles and authorizations in transaction code PFCG.
  
  
  
  Update Service Metadata:
  
  If changes have been made to the OData service, ensure that the metadata is updated. You can regenerate the service or refresh the cache if necessary.
  
  
  
  Consult Documentation:
  
  Review the documentation for the OData service to ensure that you are using the correct function import and parameters.
  
  
  
  Debugging:
  
  If you have access to the backend, you can debug the service to see if there are any issues in the implementation of the function import.
  
  
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is a technology that allows you to connect devices, environments, and platforms to SAP systems. It enables the creation of OData services.
  OData Services: OData (Open Data Protocol) is a standard protocol for creating and consuming data APIs. In SAP, OData services are used to expose business data and operations.
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/ERROR_LOG: To check for errors related to OData services.
  
  
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting SAP Notes for more specific guidance related to your version and configuration.