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Custom Connector (WCF) - Service Could Not be created

I created a default WCF app on my local machine & I used the generated URL "http://localhost:55168/Service1.svc" to link with the custom connector. But I get the following error.


Please help me in resolving as given solution did not help due to incomplete information.


Service could not be created. The service configuration file is invalid. No functions defined. There must be at least one '{}method' or '{}function' element specified.


Session ID: c5d7c1bd-216b-4133-a400-9dc16c9380c2

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