Why wont this Teleport players to the game?

It is suppose to Teleport them to the place after clicking a GUI button

player = game:FindFirstChild("Player")

function onButtonClicked()

game:GetService("TeleportService"):Teleport(101314122, player)
end

script.Parent.MouseButton1Down:connect(onButtonClicked)

You need to define player by indexing the LocalPlayer of game.Players.

local player = game.Players.LocalPlayer

function onButtonClicked()
	game:GetService("TeleportService"):Teleport(101314122, player)
end

script.Parent.MouseButton1Down:connect(onButtonClicked)

NOTE: This should be used in a LocalScript.

Accessing the Player

There are many ways to access the player.

• PlayerAdded(function)

• LocalPlayer(property of player)

LocalPlayer, only works on a LocalScript, PlayerAdded on the other hand, only works on a ServerScript(Script). But right Now I'll be using LocalPlayer.

local player = game.Players.LocalPlayer

function onButtonClicked()
	game:GetService("TeleportService"):Teleport(101314122, player)
end

script.Parent.MouseButton1Down:connect(onButtonClicked)