Data array not being saved. how do i fix this?

game.Players.PlayerRemoving:Connect(function(player)
	local data = {
		money = player.leaderstats.money.Value;
		strength = player.leaderstats.strength.Value;
		newplayer = player.leaderstats.newplayer.Value;
	}
	local success, errormessage pcall(function()
		gameDataStore:SetAsync(player.UserId.."-data",data)
	end)	
	if success then
		print("data saved")
	else
		print("data failed")
		warn(errormessage)
	end
end)