You can write your topic however you want, but you need to answer these questions:
What do you want to achieve? I want to use tween on teleport gui
**What is the issue?**It’s say exception while signaling Unable to cast to dictionary
local TeleportService = game:GetService("TeleportService")
local Players = game:GetService("Players")
local ReplicatedFirst = game:GetService("ReplicatedFirst")
local tinfo = TweenInfo.new(4,Enum.EasingStyle.Linear)
local goals = {}
goals["Transparency"] = 1
local customLoadingScreen = TeleportService:GetArrivingTeleportGui()
if customLoadingScreen then
local playerGui = Players.LocalPlayer:WaitForChild("PlayerGui")
ReplicatedFirst:RemoveDefaultLoadingScreen()
customLoadingScreen.Parent = playerGui
task.wait(5)
game.TweenService:Create(customLoadingScreen.Frame,tinfo,goals)
end