alguem ajuda aew, ta dando esse erro quando um monstro tenta me attaka:

[16/11/2012 20:27:12] [Error - CreatureScript Interface]

[16/11/2012 20:27:12] data/creaturescripts/scripts/zombie/onattack.lua:onStatsChange

[16/11/2012 20:27:12] Description:

[16/11/2012 20:27:12] data/lib/032-position.lua:2: attempt to index global 'position' (a nil value)

[16/11/2012 20:27:12] stack traceback:

[16/11/2012 20:27:12] data/lib/032-position.lua:2: in function 'isInRange'

[16/11/2012 20:27:12] data/creaturescripts/scripts/zombie/onattack.lua:35: in function <data/creaturescripts/scripts/zombie/onattack.lua:34>

creaturescripts/scripts/zombie/onattack.lua:

function loseOnZombieArena(cid)

kickPlayerFromZombiesArea(cid)

doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_BLUE, "BOOM! You are dead.")

local players = getZombiesEventPlayers()

if(#players <= 1) then

local winner = players[1]

if(winner) then

doPlayerAddItem(winner, 2157, 5, true)

doPlayerAddItem(winner, 6119, 1, true)

doPlayerSendTextMessage(winner, MESSAGE_STATUS_CONSOLE_BLUE, "You won zombies arena event.")

doBroadcastMessage("After " .. os.time() - getPlayerZombiesEventStatus(winner) .. " seconds of fight " .. getCreatureName(winner) .. " won Zombie Arena Event in game versus " .. getStorage(ZE_ZOMBIES_SPAWNED) .. " zombies!")

kickPlayerFromZombiesArea(winner)

else

doBroadcastMessage("Zombie arena event finished! No one win?!?!?! WTF!")

end

doSetStorage(ZE_STATUS, 0)

doSetStorage(ZE_PLAYERS_NUMBER, ZE_DEFAULT_NUMBER_OF_PLAYERS)

doSetStorage(ZE_ZOMBIES_TO_SPAWN, 0)

doSetStorage(ZE_ZOMBIES_SPAWNED, 0)

local width = (math.max(ZE_spawnFromPosition.x, ZE_spawnToPosition.x) - math.min(ZE_spawnFromPosition.x, ZE_spawnToPosition.x)) / 2 + 1

local height = (math.max(ZE_spawnFromPosition.y, ZE_spawnToPosition.y) - math.min(ZE_spawnFromPosition.y, ZE_spawnToPosition.y)) / 2 + 1

local centerPos = {x=math.min(ZE_spawnFromPosition.x, ZE_spawnToPosition.x)+width,y=math.min(ZE_spawnFromPosition.y, ZE_spawnToPosition.y)+height,z=ZE_spawnFromPosition.z}

for z = math.min(ZE_spawnFromPosition.z, ZE_spawnToPosition.z), math.max(ZE_spawnFromPosition.z, ZE_spawnToPosition.z) do

centerPos.z = z

for i, uid in pairs(getSpectators(centerPos, width, height, false)) do

if(isMonster(uid)) then

doRemoveCreature(uid)

end

end

end

end

end

 

function onStatsChange(target, cid, changetype, combat, value)

if((cid and isMonster(cid) and getCreatureName(cid) == "Zombie Event") or (isInRange(getThingPosition(target), ZE_spawnFromPosition, ZE_spawnToPosition) and changetype == STATSCHANGE_HEALTHLOSS and math.abs(value) >= getCreatureHealth(target))) then

doCreatureAddHealth(target, getCreatureMaxHealth(target))

loseOnZombieArena(target)

return false

end

return true

end