Check For HTTP Service on roblox Gui? (Dosen't have permssion!)

i want to check for http service. But the script dosen't have permission. I am using localscript for my gui. I was gonna make a GADEngine Here is the error:

The current identity (2) cannot HttpEnabled (lacking permission 3)

Here is my current code:

wait(math.random(1,5))
if game:GetService("HttpService").HttpEnabled == true then
    wait(math.random(1,5))
    script.Parent.Text = "Done!"
    wait(1)
    script.Parent.Visible = false
    script.Parent.Parent.ImageLabel:TweenPosition(UDim2.new(0.099, 0,0.54, 0), 'Out', 'Linear', 1)
    wait(3)
    script.Parent.Parent.Visible =false
    script.Parent.Parent.Parent.Tools.Visible=true
else
    script.Parent.Text="HTTP Service is not on! Please on!"
end

Please help me!