Android : Facebook Android Unity scores api

When i try submit scores from Android Unity game i receive next error:

You are trying to load data from a www stream which had the following error when downloading.

ava.io.FileNotFoundException: https://graph.facebook.com/me/scores

FB.Login("publish_actions", OnLoginComplete);
var query = new Dictionary<string, string>();
        query["score"] = "110";
        FB.API("/me/scores", Facebook.HttpMethod.POST, delegate(FBResult r) { Debug.Log("!!!! Score submit result: " + r.Text); }, query);

Facebook sdk version 5.1.0 Unity version 4.5.2f1