My type game id to teleport to the game button don't work?

I don't know why it don't work

local GameIDType = game.StarterGui.ScreenGui.Frame.TextBox.Text

local TextButton = game.StarterGui.ScreenGui.Frame.TextButton

local TeleportService = game:GetService("TeleportService")

TextButton.MouseButton1Click:Connect(function(player)

TeleportService:Teleport(GameIDType, player)

end)