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Gateway connect to custom connector error

Hi Community,


I've just built a custom connector .

It is working in Power BI Desktop. I have installed and set up On-premise data gateway.

On-premise data gateway show all my custom connectors, but when i  test connect in Power Platform admin center throw error

Unable to update this data source's credentials. Unable to connect to the data source New data source.

Details: test-gateway: 0 arguments were passed to a function which expects between 2 and 4. Please have this information handy if you choose to create a support ticket. ActivityId: 7ae7b134-3d8c-440d-9d24-4afb5bb15730 RequestId: 6fef5f81-a683-46f3-b9a5-cddff4b4fa51 Cluster URI: Status code: 400 Time: Tue Sep 14 2021 11:53:29 GMT+0700 (Indochina Time)


Can anyone offer any suggestions or advice?





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Regular Visitor

@v-chuncz-msft thanks.

I miss pass parameter in TestConnection