i made a datastore script but the script didn't save any thing ??

this script is not saving any thing in real game and studio i enabled the api access and not working any one can help me

Here Is The Script:-

local currencyName = "Cash"

local expneededName = "ExpNeeded"

local expName = "Exp"

local levelName = "Level"

local breathingName = "HaveBreathing"

local birdName = "HaveBird"

local DataStore = game:GetService("DataStoreService"):GetDataStore("TestDataStore")

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

    local folder = Instance.new("Folder")
    folder.Name = "stats"
    folder.Parent = player  

    local currency = Instance.new("IntValue")
    currency.Name = currencyName
    currency.Parent = folder

    local expneeded = Instance.new("IntValue")
    expneeded.Name = expneededName
    expneeded.Parent = folder

    local exp = Instance.new("IntValue")
    exp.Name = expName
    exp.Parent = folder

    local level = Instance.new("IntValue")
    level.Name = levelName
    level.Parent = folder

    local havebird = Instance.new("IntValue")
    havebird.Name = birdName
    havebird.Parent = folder

    local havebreathing = Instance.new("IntValue")
    havebreathing.Name = breathingName
    havebreathing.Parent = folder

    local ID = currencyName.."-"..player.UserId
    local ID5 = expneededName.."-"..player.UserId
    local ID4 = expName.."-"..player.UserId
    local ID3 = levelName.."-"..player.UserId
    local ID2 = breathingName.."-"..player.UserId
    local ID1 = birdName.."-"..player.UserId

    local savedData = nil   

    pcall(function()
        savedData = DataStore:GetAsync(ID)
        savedData = DataStore:GetAsync(ID5)
        savedData = DataStore:GetAsync(ID4)
        savedData = DataStore:GetAsync(ID3)
        savedData = DataStore:GetAsync(ID2)
        savedData = DataStore:GetAsync(ID1)
    end)

    if savedData ~= nil then
        currency.Value = savedData
        level.Value = savedData
        exp.Value = savedData
        expneeded.Value = savedData + 20
        havebird.Value = savedData
        havebreathing.Value = savedData
        print("Data loaded")
    else
        -- New player
        currency.Value = 0
        level.Value = 0
        expneeded.Value = 20
        exp.Value = 0
        havebreathing.Value = 0
        havebird.Value = 0
        print("New player to the game")
    end

exp.Changed:connect(function()
     if player.stats:WaitForChild("Exp").Value >= player.stats:WaitForChild("ExpNeeded").Value then
      level.Value = level.Value + 1
      expneeded.Value = math.floor(expneeded.Value * 3) --You can change this if you want.
      exp.Value = 0 
    end
end)

game.ServerStorage.GiveExp.Event:Connect(function(amount,plr)
  if player.Name == plr.Name then
   exp.Value = exp.Value + amount
        end
    end)
end)
game.Players.PlayerRemoving:Connect(function(player)
    local ID = currencyName.."-"..player.UserId
    local ID5 = expneededName.."-"..player.UserId
    local ID4 = expName.."-"..player.UserId
    local ID3 = levelName.."-"..player.UserId
    local ID2 = breathingName.."-"..player.UserId
    local ID1 = birdName.."-"..player.UserId
    DataStore:SetAsync(ID1,player.stats[breathingName].Value)
    DataStore:SetAsync(ID2,player.stats[birdName].Value)
    DataStore:SetAsync(ID3,player.stats[expneededName].Value)
    DataStore:SetAsync(ID4,player.stats[expName].Value)
    DataStore:SetAsync(ID5,player.stats[levelName].Value)
    DataStore:SetAsync(ID,player.stats[currencyName].Value)
end)

game:BindToClose(function()

    -- When game is ready to shutdown

    for i, player in pairs(game.Players:GetPlayers()) do
        if player then
            player:Kick("This game is shutting down")
        end
    end

    wait(5) 

end)