Why is this script malfunctioning?

I've been building a game, and I have a LocalScript, and I have the script.

So I've tried this line of script

local player = script.Parent.Parent.Parent.Parent
local Background1 = script.Parent:WaitForChild("Background1")
local Background2 = script.Parent:WaitForChild("Background2")
local Background3 = script.Parent:WaitForChild("Background3")
local SBackground = script.Parent:WaitForChild("ShuttleBackground")
local Shade = SBackground:WaitForChild("Shade")
local Select = Shade:WaitForChild("Select")
local Shuttle1 = Select:WaitForChild("Shuttle1") --Grand Central Shuttle
local Shuttle2 = Select:WaitForChild("Shuttle2") --Franklin Avenue Shuttle
local Shuttle3 = Select:WaitForChild("Shuttle3") --Rockaway Park Shuttle

script.Parent.ShuttleBackground.Shade.Select.Shuttle1.MouseButton1Click:connect(function()
    print("Ready")
    player.Character:MoveTo(game.Workspace.GCTS)
    print("Finished")
end)

But it fails, as the Output says:

20:37:06.008 - Script 'Players.Player.PlayerGui.ScreenGui.LocalScript', Line 38 20:37:06.009 - Stack End

Any solution?