Datastore2 error

I created datastore2 script

DataStore2 = require(game.ServerScriptService.MainModule)
DataStore2.Combine("level","currentXP1","skillpoints2")
local defaultlevel = 0
local defaultXP = 0
local defaultskillpoints = 5
game.Players.PlayerAdded:Connect(function(plr)
	local leaderstats = Instance.new("Folder")
	leaderstats.Parent = plr
	leaderstats.Name = "leaderstats"
	local level = Instance.new("IntValue",leaderstats); level.Name = "level"
	local skillpoints = Instance.new("IntValue",plr); skillpoints.Name = "Skillpoints"
	local XP = Instance.new("IntValue",plr); XP.Name = "XP"
	local levelStore = DataStore2("level",plr)
	local skillpointsStore = DataStore2("skillpoints2",plr)
	local XPStore = DataStore2("currentXP1",plr)
	local function updatelevel(newValue)
		level.Value = newValue
	end
	local function updateskillpoints(newValue)
		skillpoints.Value = newValue
	end
	local function updateXP(newValue)
		XP.Value = newValue
	end
	updatelevel(levelStore:Get(defaultlevel))
	updateskillpoints(skillpointsStore:Get(defaultskillpoints))
	updateXP(XPStore:Get(defaultXP))
	levelStore:OnUpdate(updatelevel)
	XPStore:OnUpdate(updateXP)
	skillpointsStore:OnUpdate(updateskillpoints)
end)

Output error
image

Dont put screenshots of code.