I want to loop this script so that I can make a map that changes. what should i do?

I want to loop this script like make it work over and over again but it wont. I need help

local m = Instance.new("Message")


while (true) do
    wait(180)
    game.Workspace.Map1:Destroy()
    local mep = game.ServerStorage.Map2:Clone()
    m.Parent = game.Workspace
    m.Text = "Loading Map: Spooky"
    wait(2)
    mep.Parent = game.Workspace
    m:Remove()
    wait(180)
    game.Workspace.Map2:Destroy()
    local mep = game.ServerStorage.Map1:Clone()
    m.Parent = game.Workspace
    m.Text = "Loading Map: Lemon Town"
    wait(2)
    mep.Parent = game.Workspace
    m:Remove()
    wait(180)
end