Bug NPC Dalk

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
msg = string.lower(msg)
---------
local configs = {
diamondsID = 2145,  --id do diamond no items.xml/otb... (achu q vais ter q criar, ou pegar algum item q ja tenha ae...)
VIP = {days = 30, cost = 10},    --days = qnts dias de VIP o player compra por vez.... cost = custo para virar VIP...
SEX = {cost = 3},   --cost = custo para trocar de sexo...
NAME = {cost = 3},
TOWN = {cost = 3},
}  


       
        if (msgcontains(msg, 'diamond account') or msgcontains(msg, 'diamond')) then  
           selfSay("You want to buy a diamond account and be VIP for "..configs.VIP.days.." days? It will cost "..configs.VIP.cost.." diamonds!", cid)   
           talkState[talkUser] = 2
           return true    
          
        elseif msgcontains(msg, 'yes') and talkState[talkUser] == 2 then
           if getPlayerItemCount(cid, configs.diamondsID) >= configs.VIP.cost then
              selfSay("Ok then, now you have "..configs.VIP.days.." days of VIP! Enjoy!", cid)
              doPlayerAddPremiumDays(cid, configs.VIP.days)
              doPlayerRemoveItem(cid, configs.diamondsID, configs.VIP.cost)
              talkState[talkUser] = 0
              return true
           else
              selfSay("You need atleast "..configs.VIP.cost.." diamonds to do that!", cid)
              talkState[talkUser] = 0
              return true
           end
           
        elseif (msgcontains(msg, 'sex change') or msgcontains(msg, 'sex')) then
           selfSay("So you want to change of sex? It will cost "..configs.SEX.cost.." diamonds", cid) 
           talkState[talkUser] = 3
           return true
        
        elseif msgcontains(msg, 'yes') and talkState[talkUser] == 3 then
           if getPlayerItemCount(cid, configs.diamondsID) >= configs.SEX.cost then
              local sex = getPlayerSex(cid)
              selfSay("Ok then, now you are of the sex "..(sex == 1 and "female" or "male")..". Enjoy!", cid)
              doPlayerSetSex(cid, (sex == 1 and 0 or 1))
              doPlayerRemoveItem(cid, configs.diamondsID, configs.SEX.cost)
              talkState[talkUser] = 0
              return true
           else
              selfSay("You need atleast "..configs.SEX.cost.." diamonds to do that!", cid)
              talkState[talkUser] = 0
              return true
           end
		   
		   elseif msgcontains(msg, 'change name') then
			selfSay("So you want to change your name? It will cost "..configs.NAME.cost.." diamonds", cid) 
			talkState[talkUser] = 4
			return true
			
			elseif msgcontains (msg, 'yes') and talkState[talkUser] == 4 then
				if getPlayerItemCount(cid, config.diamondsID) >= config.NAME.cost then
					doPlayerRemoveItem(cid, configs.diamondsID, configs.NAME.cost)
					npcHandler:releaseFocus(cid)
					doAddPlayerBanishment(getPlayerGUID(cid), PLAYERBAN_LOCK)
					doRemoveCreature(cid)
					talkState[talkUser] = 0
					return true
				else
		      selfSay("You need atleast "..configs.NAME.cost.." diamonds to do that!", cid)
              talkState[talkUser] = 0
              return true
			end        
           
		   elseif (msgcontains(msg, 'change town') or msgcontains(msg, 'sex')) then
           selfSay("So you want to change your hometown? It will cost "..configs.TOWN.cost.." diamonds", cid) 
           talkState[talkUser] = 5
           return true
		   
        elseif msgcontains(msg, 'yes') and talkState[talkUser] == 5 then
           selfSay("Ok then, tell me what city do you want?", cid)
           talkState[talkUser] = 6
           return true
           
        elseif places[msg] and talkState[talkUser] == 6 then
           if getPlayerItemCount(cid, configs.diamondsID) >= configs.TOWN.cost then
              selfSay("Done, enjoy your new city!", cid)
              doPlayerSetTown(cid, places[msg]) 
              doPlayerRemoveItem(cid, configs.diamondsID, configs.TOWN.cost)
              talkState[talkUser] = 0
              return true
           else
              selfSay("You need atleast "..configs.TOWN.cost.." diamonds to do that!", cid)
              talkState[talkUser] = 0
              return true
           end 
           
        elseif msgcontains(msg, 'no') then
          selfSay("Ok then, tell me again what you want...", cid)
          talkState[talkUser] = 0
          return true 
        end

return true
end

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

<?xml version="1.0" encoding="UTF-8"?>

<npc name="Dalk" script="dalk.lua" walkinterval="3000" floorchange="0" access="5" level="1" maglevel="1">
<health now="150" max="150"/>
<look type="1419" head="114" body="119" legs="114" feet="114" corpse="2212"/>

<parameters>
	<parameter key="message_greet" value="Welcome |PLAYERNAME|, I can sell to you: {Diamond Account}, {Sex Change}, {Change Name}, {Change Town} what you want?"/>
</parameters>
</npc>