Does this work?

so I was making a shop gui today and i came across something while testing it in the client and it didnt work but, It had an error saying "line 5, Shop_Menu isnt there" something like that.But i was thinking if waitforchild could solve it. Help?

--Just an example--
local sp = script.Parent
local Menu = sp.Menu

Menu.MouseButton1Click:connect(function()
Menu.Visible = true



end)