Lua Silly LUA error, please help

[Guiaki]

function onSay(cid, words, param)
    local player = Player(cid)
    local players = Game.getPlayers()
    local playerCount = Game.getPlayerCount()
    local accid=getAccountNumberByPlayerName(getPlayerName(cid))
    local id = db.query('SELECT `itemid` FROM `znote_shop_orders` WHERE `id` = '.. accid ..';')
    item=id:getDataInt('itemid')
    local qtd= db.query('SELECT `count` FROM `znote_shop_orders` WHERE `id` = '.. accid ..';')
    amount=qtd:getDataInt('count')
    doPlayerAddItem(cid,id,qtd)
    player:sendTextMessage(MESSAGE_STATUS_CONSOLE_BLUE, "Ai esta seu item")
    return false
end

Its been a long time since I don't code LUA, help me please, the error is the following:
in function getDataInt (line 7)