Solved creaturescript not working

local bossForms = {
    ['ferumbras soul splinter'] = {
        text = 'IT\'S NOT THAT EASY MORTALS! FEEL THE POWER OF THE GOD!',
        newForm = 'desestabilized ferumbras'
    },
    ['desestabilized ferumbras'] = {
        text = 'NOOO! NOW YOU HERETICS WILL FACE MY GODLY WRATH!',
        newForm = 'ferumbras mortal shell'
    }
}

function onKill(player, target)
    print(1)
    local targetMonster = target:getMonster()
    if not targetMonster then
        print(2)
        return true
    end
    print(3)
    if targetMonster:getName():lower() == 'ferumbras mortal shell' then
        print(4)
        return true
    end
    print(5)
    local name = targetMonster:getName():lower()
    local bossConfig  = bossForms[name]
    if not bossConfig then
        print(6)
        return true
    end
    print(7)
    local found = false
    for k, v in ipairs(Game.getSpectators(targetMonster:getPosition())) do
        if v:getName():lower() == bossConfig.newForm then
            print(8)
            found = true
            break
        end
    end
    print(9)
    if not found then
        print(10)
        Game.createMonster(bossConfig.newForm, targetMonster:getPosition(), false, true)
        player:say(bossConfig.text, TALKTYPE_MONSTER_SAY)
    end
    print(11)
    return true
end