Apple Tv Leaderboard shows "No Data Available"

I am creating iOS and tvOs game. I have created a game in iTunes Connect and added a leaderboard in it. Leader board and game center is working fine in iOS. But, in tvOS,
Social.ShowLeaderboardUI ();
shows No Data Available screen .

Notes:
1) Report score is working fine in both iOS and tvOS.
2) Leaderboard is working fine in iOS.
3) Game center is logging fine in both iOS and tvOS.
4) I have added New Apple Tv Leaderboard in Images.xassets and initialized Leaderboard Identifier.

I am...

Apple Tv Leaderboard shows "No Data Available"