Can somebody tell me whats wrong with my code?

Please help

local DL = script.Parent.sdsd

Game.Workspace.k.Teknikk.DoorSensorInn.Sensor.Touched:connect(function(p)
	if p~= nil then
		for L=1, #DL do
			DL[L].Transparency = "0.5"
			DL[L].CanCollide = true
		end
		wait(2)
		for L=1, #DL do
			DL[L].Transparency = "0"
			DL[L].CanCollide = false
		end
	end
end