Datastore data isn't saving when the player leaves? [closed]

I have recently watched a tutorial on how to use the datastore service on roblox, but it doesn't really save correctly. (It prints the error message on that it failed to save when a player leaves.)

Here's my code:

local DataStoreService = game:GetService("DataStoreService")

local myDataStore = DataStoreService:GetDataStore("myDataStore")

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

    local valuetwo = Instance.new("BoolValue")
    valuetwo.Name = "two"
    valuetwo.Parent = stats
    local valuethree = Instance.new("BoolValue")
    valuethree.Name = "three"
    valuethree.Parent = stats
    local valuefour = Instance.new("BoolValue")
    valuefour.Name = "four"
    valuefour.Parent = stats

    local data2
    local data3
    local data4
    local success, errormessage = pcall(function()
        data2 = myDataStore:GetAsync(player.UserId.."-two")
        data3 = myDataStore:GetAsync(player.UserId.."-three")
        data4 = myDataStore:GetAsync(player.UserId.."-four")
    end)

    if success then
        valuetwo.Value = data2
        valuethree.Value = data3
        valuefour.Value = data4
    else
        print("data failed to load")
        warn(errormessage)
    end
end)

game.Players.PlayerRemoving:Connect(function(player)

    local success, errormessage = pcall(function()
        myDataStore:SetAsync(player.UserId.."-two",player.stats.valuetwo.Value)
        myDataStore:SetAsync(player.UserId.."-three",player.stats.valuethree.Value)
        myDataStore:SetAsync(player.UserId.."-four",player.stats.valuefour.Value)   
    end)

    if success then
        print("player data saved")
    else
        print("oh no data save failed")
        warn(errormessage)
    end
end)