Problem ze skryptem

[Zonkill]

Siema.
Mam problem ze skryptem, kiedy próbuję włączyć ots, wyskakuje błąd:

[14:6:21.048] [Error - GlobalEvent Interface] 
[14:6:21.049] data/globalevents/scripts/demon_castle.lua:onThink
[14:6:21.049] Description: 
[14:6:21.049] data/globalevents/scripts/demon_castle.lua:4: attempt to call field 'executeQuery' (a nil value)
[14:6:21.049] stack traceback:
[14:6:21.049]     data/globalevents/scripts/demon_castle.lua:4: in function <data/globalevents/scripts/demon_castle.lua:1>
[14:6:21.049] [Error - GlobalEvents::think] Couldn't execute event: DemonCastle

demoncastle.lua:

  function onThink(interval, lastExecution) 
local timeToClose = 300 --in seconds(5 minutes)
local timeToKickPlayers = 1020 --time to kick the players from the castle(1020 = 17 minutes)
        db.executeQuery("UPDATE `players` SET `event` = 1;")
        doBroadcastMessage("Demon Castle otwarty! Wejscie zostanie zamkniete za 5 minut.")
        addEvent(closeCastle, (1000*timeToClose))
        addEvent(kickPlayersFromCastle, (1000*timeToKickPlayers))
        return TRUE
end
function closeCastle()
        db.executeQuery("UPDATE `players` SET `event` = 0;")
        doBroadcastMessage("Demon castle zamkniety!")
        return TRUE
end
function kickPlayersFromCastle()
local position =
{
        fromPosCastle1 = {x=1036, y=1391, z=11},
        toPosCastle1 = {x=1144, y=1428, z=11},
        fromPosCastle2 = {x=1036, y=1391, z=11},
        toPosCastle2 = {x=1144, y=1428, z=11},
        fromPosCastle3 = {x=1036, y=1391, z=11},
        toPosCastle3 = {x=1144, y=1428, z=11},
        fromPosCastle4 = {x=1036, y=1391, z=11},
        toPosCastle4 = {x=1144, y=1428, z=11},
        newPos = {x=1000, y=1000, z=7}
}
local weapon = {
        sword = 11393, --Divine sword of the archangel
        staff = 11394, --Divine staff of the archangel
        crossbow = 11395 --Divine crossbow of the archangel
}
local playersOnline = getPlayersOnline()
        for _, pid in ipairs(playersOnline) do
                if isInArea(getCreaturePosition(pid), position.fromPosCastle1, position.toPosCastle1) then
                        doTeleportThing(pid, position.newPos)
                        doPlayerRemoveItem(pid, weapon.sword, getPlayerItemCount(pid, weapon.sword))
                        doPlayerRemoveItem(pid, weapon.staff, getPlayerItemCount(pid, weapon.staff))
                        doPlayerRemoveItem(pid, weapon.crossbow, getPlayerItemCount(pid, weapon.crossbow))
                elseif isInArea(getCreaturePosition(pid), position.fromPosCastle2, position.toPosCastle2) then
                        doTeleportThing(pid, position.newPos)
                        doPlayerRemoveItem(pid, weapon.sword, getPlayerItemCount(pid, weapon.sword))
                        doPlayerRemoveItem(pid, weapon.staff, getPlayerItemCount(pid, weapon.staff))
                        doPlayerRemoveItem(pid, weapon.crossbow, getPlayerItemCount(pid, weapon.crossbow))
                elseif isInArea(getCreaturePosition(pid), position.fromPosCastle3, position.toPosCastle3) then
                        doTeleportThing(pid, position.newPos)
                        doPlayerRemoveItem(pid, weapon.sword, getPlayerItemCount(pid, weapon.sword))
                        doPlayerRemoveItem(pid, weapon.staff, getPlayerItemCount(pid, weapon.staff))
                        doPlayerRemoveItem(pid, weapon.crossbow, getPlayerItemCount(pid, weapon.crossbow))
                elseif isInArea(getCreaturePosition(pid), position.fromPosCastle4, position.toPosCastle4) then
                        doTeleportThing(pid, position.newPos)
                        doPlayerRemoveItem(pid, weapon.sword, getPlayerItemCount(pid, weapon.sword))
                        doPlayerRemoveItem(pid, weapon.staff, getPlayerItemCount(pid, weapon.staff))
                        doPlayerRemoveItem(pid, weapon.crossbow, getPlayerItemCount(pid, weapon.crossbow))
                end
        end
        return TRUE
end

edit:
Dodałem do Bazy Danych players > 'event'

ALTER TABLE `players` ADD COLUMN `event` INT( 11 ) NOT NULL DEFAULT '0'

i dalej.

Jest ktoś w stanie pomóc?