Gamescript not working?

It was working before, but now I keep getting an error, "fullGui is not a member of playerGui"

--Made by Aceta

local players = game.Players:GetPlayers()
local timeleft = Workspace:findFirstChild('time')
local piece = Workspace.teleportationpart
local currentMap = Workspace.currentMap

function removeTime()
    for i = 120, 0, -1 do
        wait(1)
        timeleft.Value = i
    end
end

function gameStart()
    local players = game.Players:GetPlayers()
    for i = 1, #players do
        Spawn(function()
        local stats = players[i].PlayerGui.fullGui.everything.gamePlay.informer
        stats.Text = 'New round beginning!'
        stats.FontSize = 'Size24'
        timeleft.Value = 120
        wait(1)
        stats.Text = ''
        end)
    end
end

function teleportPlayers()
    local players = game.Players:GetPlayers()
    for i = 1, #players do
        Spawn(function()
        local piece = Workspace.teleportationpart
            players[i].Character.Torso.CFrame = CFrame.new(piece.Position+Vector3.new(
                math.random(1,15),
                math.random(2,6),
            math.random(1,15)))
            players[i].Character.Torso.Anchored = true
            end)
    end
end

function countdown()
    local players = game.Players:GetPlayers()
    for i = 1, #players do
        Spawn(function()
        players[i].NameDisplayDistance = 0
        players[i].HealthDisplayDistance = 0
        players[i].CameraMaxZoomDistance = 0.5
        local stats = players[i].PlayerGui.fullGui.everything.gamePlay.informer
        stats.Text = '3'
        wait(1)
        stats.Text = '2'
        wait(1)
        stats.Text = '1'
        wait(1)
        stats.Text = 'Begin!'
        stats.FontSize = 'Size48'
        wait(2)
        stats.Text = ''
        wait(1)
        stats.Text = 'Objective: Find a weapon. '
        stats.FontSize = 'Size36'
        players[i].Character.Anchored = false
        end)
    end
end

function waitSome()
    local players = game.Players:GetPlayers()
    for i = 1, #players do
        Spawn(function()
        players[i].NameDisplayDistance = 100
        players[i].HealthDisplayDistance = 100
        players[i].CameraMaxZoomDistance = 400
        local stats = players[i].PlayerGui.fullGui.everything.gamePlay.informer
        stats.FontSize = 'Size24'
        stats.Text = "Let's take a quick break. Use this time to buy stuff in the shop!"
        wait(30)
        stats.Text = ''
        end)
    end
end

function endGame()
    local players = game.Players:GetPlayers()
    for i = 1, #players do
        Spawn(function()
        players[i]:LoadCharacter()
        end)
    end
    currentMap:ClearAllChildren()
end

function goAhead()
    local players = game.Players:GetPlayers()
        for i = 1, #players do
            Spawn(function()
            players[i].PlayerGui.fullGui.everything.gamePlay.informer.Text = 'We have enough players to start!'
            end)
        end
        wait(5)
end

function chooseMap()
    local maps = game.ServerStorage.Maps
    local clone = maps[math.random(1,#maps)]
    clone.Parent = currentMap
end

while wait() do
    if game.Players.NumPlayers >= 2 then
        goAhead()
        chooseMap()
        gameStart()
        teleportPlayers()
        countdown()
        removeTime()
        endgame()
        waitSome()
    else
        local players = game.Players:GetPlayers()
        for i = 1, #players do
            Spawn(function()
            players[i].PlayerGui.fullGui.everything.gamePlay.informer.Text = '2 players are needed to start! Invite a friend and we can begin.'
            end)
        end
    end
end