What is wrong in this script

[SkyAPI]

ketchup = false
dish = "Banana"
quantity = 1
_menuPool = NativeUI.CreatePool()
mainMenu = NativeUI.CreateMenu("EpicIsland", "~b~Interaktions Menu")
_menuPool:Add(mainMenu)

local PlayerData = {}

Citizen.CreateThread(function()
	while ESX == nil do
		TriggerEvent('esx:getSharedObject', function(obj) ESX = obj end)
		Citizen.Wait(0)
    end
    
    while ESX.GetPlayerData().job == nil do
		Citizen.Wait(10)
    end
    
    PlayerData = ESX.GetPlayerData()
end)

function ShowNotification(text)
    SetNotificationTextEntry("STRING")
    AddTextComponentString(text)
    DrawNotification(false, false)
end

function AddMenuKetchup(menu)
    local newitem = NativeUI.CreateCheckboxItem("Add ketchup?", ketchup, "Do you wish to add ketchup?")
    menu:AddItem(newitem)
    menu.OnCheckboxChange = function(sender, item, checked_)
        if item == newitem then
            ketchup = checked_
            ShowNotification("~r~Ketchup status: ~b~"..tostring(ketchup))
        end
    end
end

function AddMenuFoods(menu)
    local foods = {
        "Banana",
        "Apple",
        "Pizza",
        "Quartilicious",
        "Steak",
        0xF00D,
    }
    local newitem = NativeUI.CreateListItem("Food", foods, 1)
    menu:AddItem(newitem)
    menu.OnListChange = function(sender, item, index)
        if item == newitem then
            dish = item:IndexToItem(index)
            ShowNotification("Preparing ~b~" .. dish .. "~w~...")
        end
    end
end

function AddMenuFoodCount(menu)
    local amount = {}
    for i = 1, 100 do amount[i] = i end
    local newitem = NativeUI.CreateSliderItem("Quantity", amount, 1, false)
    menu:AddItem(newitem)
    menu.OnSliderChange = function(sender, item, index)
        if item == newitem then
            quantity = item:IndexToItem(index)
            ShowNotification("Preparing ~r~" .. quantity .. " ~b~" .. dish .. "(s)~w~...")
        end
    end
end

function AddMenuCook(menu)
    local newitem = NativeUI.CreateItem("Cook!", "Cook the dish with the appropriate ingredients and ketchup.")
    newitem:SetLeftBadge(BadgeStyle.Star)
    newitem:SetRightBadge(BadgeStyle.Tick)
    menu:AddItem(newitem)
    menu.OnItemSelect = function(sender, item, index)
        if item == newitem then
            local string = "You have ordered ~r~" .. quantity .. " ~b~"..dish.."(s)~w~ ~r~with~w~ ketchup."
            if not ketchup then
                string = "You have ordered ~r~" .. quantity .. " ~b~"..dish.."(s)~w~ ~r~without~w~ ketchup."
            end
            ShowNotification(string)
        end
    end
    menu.OnIndexChange = function(sender, index)
        if sender.Items[index] == newitem then
            newitem:SetLeftBadge(BadgeStyle.None)
        end
    end
end

function AddMenuAnotherMenu(menu)
    if PlayerData.job.name == 'fbi' then
        local submenu = _menuPool:AddSubMenu(menu, "FIB Menu")
        for i = 1, 20, 1 do
            submenu:AddItem(NativeUI.CreateItem("PageFiller", "Sample description that takes more than one line. Moreso, it takes way more than two lines since it's so long. Wow, check out this length!"))
        end
    end
end

AddMenuKetchup(mainMenu)
AddMenuFoods(mainMenu)
AddMenuFoodCount(mainMenu)
AddMenuCook(mainMenu)
AddMenuAnotherMenu(mainMenu)
_menuPool:RefreshIndex()



Citizen.CreateThread(function()
    while true do
        Citizen.Wait(0)
        _menuPool:ProcessMenus()
        if IsControlJustPressed(1, 51) then
            mainMenu:Visible(not mainMenu:Visible())
        end
    end
end)

if the script start this came in the F8 console:

Screenshot