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I am trying to use the Login REST API Post method and getting the following error: {"error" { "error": { "message": "This value is not allowed", "code": 22 }, "servertime": 1525220690 } The URL for the POST action being used with modified login and pass is: https://iptv.kartina.tv/api/json/login?login=....&pass=.... I have tried using C# code and Postman to issue the API call and both are returning the same failure. What am I missing?