Leaderstats Malfunctioning

[AridFights1 (Arid)]

game.Players.PlayerAdded:Connect(function(player)
     local leaderstats = Instance.new("Folder")
     leaderstats.Name = "leaderstats"
     leaderstats.Parent = player

     local coins = Instance.new("NumberValue")
     coins.Name = "Coins"
     coins.Value = 0
     coins.Parent = leaderstats

     local strength = Instance.new("NumberValue")
     strength.Name = "Strength"
     strength.Value = 0
     strength.Parent = leaderstats
end)

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