Erro na dristo

function onThink(interval, lastExecution)
local storage = 1344
local raids = {"Morgaroth","Ghazbaran", "Undead Jester", "goblin", "Dryads", "Halloweenhare", "Hornedfox", "Necropharus", "UndeadArmy", "UndeadDarashia", "The Old Widow", "Scarabs", "Rats", "Quara", "Pirates", "Orshabaal", "OrcsThais", "Ferumbras", "Elfs", "Demodras", "Barbarian",}

    if getGlobalStorageValue(storage) == -1 or getGlobalStorageValue(storage) < os.time() then
        executeRaid(raids[math.random(1, #raids)])
        setGlobalStorageValue(storage, os.time() + 9 * 60 * 60)
    end
    return TRUE
end