help script rebirth system

[rogersenchou]

the problem is there is bug when i make rebirth with one char its prestige but rest of chars of all account on server goes to level 8!!

here is the script

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)
local talkState = {}

function onCreatureAppear(cid)                npcHandler:onCreatureAppear(cid) end
function onCreatureDisappear(cid)            npcHandler:onCreatureDisappear(cid) end
function onCreatureSay(cid, type, msg)            npcHandler:onCreatureSay(cid, type, msg) end
function onThink()                    npcHandler:onThink() end

function creatureSayCallback(cid, type, msg)
    if(not npcHandler:isFocused(cid)) then
        return false
    end

    local talkUser = NPCHANDLER_CONVBEHAVIOR == CONVERSATION_DEFAULT and 0 or cid

    if(msgcontains(msg, 'prestige')) then
        selfSay('Are you ready to prestige and start a new life?', cid)
        talkState[talkUser] = 1
    elseif(msgcontains(msg, 'yes') and talkState[talkUser] == 1) then
        -------CONFIGS-------
        local level = 500
        local cost = 10000
        ------/CONFIGS-------
        -----LOCALS-----
        local id = getPlayerGUID(cid)
        local name = getCreatureName(cid)
        local vocation = getPlayerVocation(cid)
        local storage = getCreatureStorage(cid, 85987)
        local Max_Rebirth = 5  --Change this for the number of rebirths

        ----/LOCALS-----
        if(getPlayerLevel(cid) >= level) then
        if getCreatureStorage(cid, 85987) < Max_Rebirth then
            if(doPlayerRemoveMoney(cid, cost) == TRUE) then
                if(isInArray({5, 6, 7, 8}, vocation)) then
                    doCreatureSetStorage(cid, 85987, storage == -1 and 1 or storage + 1)
                                db.executeQuery('UPDATE players SET rebirths=rebirths+'.. 1 ..' WHERE id='..getPlayerGUID(cid))
                            doBroadcastMessage("" ..  name .. " has just prestiged!", TALKTYPE_ORANGE_1)
                    doRemoveCreature(cid)
                    db.executeQuery("UPDATE `players` SET `level` = 8, `experience` = 4200")
                    db.executeQuery("UPDATE `players` SET `name` = '"..name.."' WHERE `id` ='"..id.."';")
                else
                    selfSay('Please talk with Forgotten King and promote first.', cid)
                    talkState[talkUser] = 0
                end
            else
                selfSay('You don\'t have enough money. You need to pay 10 mil to be rebirthed.', cid)
                talkState[talkUser] = 0
            end
        else
            selfSay('You have reached the maximum rebirth.', cid)
            talkState[talkUser] = 0
        end
    else
        selfSay('Only characters of level 500 or higher can be rebirthed.', cid)
        talkState[talkUser] = 0
    end
elseif(msgcontains(msg, 'no') and talkState[talkUser] == 1) then
        selfSay('Okey. Come back when you feel ready.', cid)
        talkState[talkUser] = 0
end

    return true
end

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())

please help im using tfs 0.3.6