My data store will not save any player data could you please help me?

this is my code

for some reason this code does not work please help

local DataStoreService = game:GetService("DataStoreService")

local myDataStore = DataStoreService:GetDataStore("myDataStore")

game.Players.PlayerAdded:Connect(function(player)
	local leaderstats = Instance.new("Folder")
	leaderstats.Name = "leaderstats"
	leaderstats.Parent = player
	
	local cash = Instance.new("IntValue")
	cash.Name = "Cash"
	cash.Parent = leaderstats
	
	local data
	local success, errormessage = pcall(function()
		data = myDataStore:GetAsync(player.UserId.."-cash")
	end)
	
	if success then
		cash.Value = data
	else
		print("There was an error whilst getting your data")
		warn(errormessage)
	end	
end)

game.Players.PlayerRemoving:Connect(function(player)
	
	local success, errormessage = pcall(function()
		myDataStore:SetAsync(player.UserId.."-cash",player.leaderstats.Cash.Value)
	end)
	
	if success then
		print("Player Data successfully saved!")
	else
		print("There was an error when saving data")
		warn(errormessage)
	end

end)