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Make sure the Steam client is running on your computer as it is needed to get current player data, friends list, etc.
Also make sure that the logged in account has the game you want to test
The most likely cause is that the player has no score submitted on the leaderboard. You can check if the player has a score by accessing Steamworks.
You can check the 3rd party reference docs or talk to us.
Last updated 2 years ago