The DataStore isnt working but there is not error?

local Datastore = game:GetService("DataStoreService"):GetDataStore("DataStores")

game.Players.PlayerAdded:Connect(function(player)
    local Stats = Instance.new("Folder")
    Stats.Parent = player
    Stats.Name = "Stats"
    local NCookies = Instance.new("NumberValue")
    NCookies.Value = 0
    NCookies.Parent = Stats
    NCookies.Name = "NCookies"
    local NCps = Instance.new("NumberValue")
    NCps.Value = 0
    NCps.Parent = Stats
    NCps.Name = "NCps"
    local NCOC = Instance.new("NumberValue")
    NCOC.Parent = Stats
    NCOC.Name = "NCOC"
    NCOC.Value = 1
    local Clickers = Instance.new("IntValue")
    Clickers.Parent = Stats
    Clickers.Name = "Clickers"
    Clickers.Value = 0
    local ClickersBaseCost = Instance.new("IntValue")
    ClickersBaseCost.Parent = Stats
    ClickersBaseCost.Name = "ClickersBaseCost"
    ClickersBaseCost.Value = 15
    local ClickersCost = Instance.new("NumberValue")
    ClickersCost.Parent = Stats
    ClickersCost.Name = "ClickersCost"
    ClickersCost.Value = 15
    local ClickersCPS = Instance.new("NumberValue")
    ClickersCPS.Name = "ClickersCPS"
    ClickersCPS.Parent = Stats
    ClickersCPS.Value = 0.1
    local BaseClickersCPS = Instance.new("NumberValue")
    BaseClickersCPS.Name = "BaseClickersCPS"
    BaseClickersCPS.Parent = Stats
    BaseClickersCPS.Value = .1
    local TotalClickerCPS = Instance.new("NumberValue")
    TotalClickerCPS.Parent = Stats
    TotalClickerCPS.Name = "TotalClickerCPS"
    TotalClickerCPS.Value = 0

    local key = "user - " .. player.UserId

    local storeditems = Datastore:GetAsync(key)
    if storeditems then
        NCookies.Value = storeditems[1]
        NCOC.Value = storeditems[2]
        NCps.Value = storeditems[3]
        Clickers.Value = storeditems[4]
        ClickersBaseCost.Value = storeditems[5]
        ClickersCost.Value = storeditems[6]
        ClickersCPS.Value = storeditems[7]
        BaseClickersCPS.Value = storeditems[7]
        TotalClickerCPS.Value = storeditems[8]
    else
        local items = {NCookies.Value, NCOC.Value, NCps.Value, Clickers.Value, ClickersBaseCost.Value, ClickersCost.Value, ClickersCPS.Value, BaseClickersCPS.Value, TotalClickerCPS.Value}
        Datastore:SetAsync(key, items)
    end
end)

game.Players.PlayerRemoving:Connect(function(player)
    local items = {player.Stats.NCookies.Value, player.Stats.NCOC.Value, player.Stats.NCps.Value, player.Stats.Clickers.Value, player.Stats.ClickersBaseCost.Value, player.Stats.ClickersCost.Value, player.Stats.ClickersCPS.Value, player.Stats.BaseClickersCPS.Value, player.Stats.TotalClickerCPS.Value}
    local key = "user - " .. player.UserId
    Datastore:SetAsync(key, items)
end)