Player doesnt exist
You have player only
--!strict
--!optimize 2
local Players = game:GetService("Players")
local TeleportService = game:GetService("TeleportService")
Players.PlayerAdded:Connect(function(player:Player):()
player.Chatted:Connect(function(message:string):()
if message == "PLACEHOLDER" then
TeleportService:Teleport(113490953932043,player)
end
end)
end)