Lua Whats wrong with this script?

[Stewie]

Error

[Error - CreatureScript Interface]
In a timer event called from:
data/creaturescripts/scripts/anti.lua:onLogin
Description:
(internalGetPlayerInfo) Player not found when requesting player info #28

Here the script:

local config = {
        max = 2,
        text = "MageBomb nao funciona aqui.",
        group_id = 1  -- it will only kick player whit that id (1=Players, 2=tutor, 3=seniortutors, 4=Gm's, 5=Cm's and 6=God's
}

local accepted_ip_list = "127.0.0.1"  -- here put the Ip you whant to be allowed to use Mc/Magebomb..

local function antiMC(p)
        if #getPlayersByIp(getPlayerIp(p.pid)) >= p.max then
                doRemoveCreature(p.pid)
        end
        return TRUE
end

function onLogin(cid)
        if getPlayerGroupId(cid) <= config.group_id then
                if isInArray(accepted_ip_list,getPlayerIp(cid)) == FALSE then
                        addEvent(antiMC, 1000, {pid = cid, max = config.max+1})
                        doPlayerPopupFYI(cid, config.text)
                end
        end
        return TRUE
end