NPC não funciona

<?xml version="1.0" encoding="UTF-8"?>
<npc name="Cipfried" script="data/npc/scripts/healer_cipfried.lua" walkinterval="1500" speed="100" walkradius="2" floorchange="0">
    <health max="100" now="100"/>
    <look type="57" head="0" body="0" legs="0" feet="0" addons="0"/>
    <parameters>
        <!--MESSAGES-->
        <parameter key="message_greet" value="Hello, |PLAYERNAME|! I will heal you if you are injured. Feel free to ask me for help."/>
        <parameter key="message_farewell" value="Farewell, |PLAYERNAME|."/>
        <parameter key="message_walkaway_male" value="Good bye."/>
        <parameter key="message_walkaway_female" value="Good bye."/>
        <!--KEYWORDS-->
        <parameter key="module_keywords" value="1"/>
        <parameter key="keywords" value="name;job;quest;god;al dee;obi;seymour;willie;tibia;rookgaard;rat;sewer;money;monster;academy"/>
        <parameter key="keyword_reply1" value="My name is Cipfried."/>
        <parameter key="keyword_reply2" value="I am just a humble monk. Ask me if you need help or healing."/>
        <parameter key="keyword_reply3" value=" Monsters are a constant threat. Learn to fight by hunting rabbits, deer and sheep. Then try to fight rats, bugs and perhaps spiders."/>
        <parameter key="keyword_reply4" value="They created Tibia and all life on it. Visit our library and learn about them."/>
        <parameter key="keyword_reply5" value="He is a local shop owner."/>
        <parameter key="keyword_reply6" value="He is a local shop owner."/>
        <parameter key="keyword_reply7" value="Seymour is a loyal follower of the king and responsible for the academy."/>
        <parameter key="keyword_reply8" value="Willie is a fine farmer. His farm is located to the left of the temple."/>
        <parameter key="keyword_reply9" value="That's where we are. The world of Tibia."/>
        <parameter key="keyword_reply10" value="The gods have chosen this isle as the point of arrival for the newborn souls."/>
        <parameter key="keyword_reply11" value="In the north of this temple you find a sewer grate. Use it to enter the sewers if you feel prepared. Don't forget a torch"/>
        <parameter key="keyword_reply12" value=" you'll need it."/>
        <parameter key="keyword_reply13" value="In the north of this temple you find a sewer grate. Use it to enter the sewers if you feel prepared. Don't forget a torch"/>
        <parameter key="keyword_reply14" value=" you'll need it."/>
        <parameter key="keyword_reply15" value="If you need money, you have to slay monsters and take their gold. Look for spiders and rats."/>
        <parameter key="keyword_reply16" value="Monsters are a constant threat. Learn to fight by hunting rabbits, deer and sheep. Then try to fight rats, bugs and perhaps spiders."/>
        <parameter key="keyword_reply17" value="You should visit Seymour in the academy and ask him about a mission."/>
    </parameters>
</npc>

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

-- OTServ event handling functions start
function onCreatureAppear(cid)              npcHandler:onCreatureAppear(cid) end
function onCreatureDisappear(cid)             npcHandler:onCreatureDisappear(cid) end
function onCreatureSay(cid, type, msg)     npcHandler:onCreatureSay(cid, type, msg)

    if(cid ~= npcHandler.focus) then
        return false
    end

    if msgcontains(msg, 'heal') then
        if hasCondition(cid, CONDITION_FIRE) == TRUE then
            npcHandler:say('You are burning. I will help you.')
            doRemoveCondition(cid, CONDITION_FIRE)
            doSendMagicEffect(getCreaturePosition(cid), 14)
        elseif hasCondition(cid, CONDITION_POISON) == TRUE then
            npcHandler:say('You are poisoned. I will help you.')
            doRemoveCondition(cid, CONDITION_POISON)
            doSendMagicEffect(getCreaturePosition(cid), 13)
        elseif getCreatureHealth(cid) < 65 then
            npcHandler:say('You are looking really bad. Let me heal your wounds.')
            doCreatureAddHealth(cid, 65 - getCreatureHealth(cid))
            doSendMagicEffect(getCreaturePosition(cid), 12)
        else
            npcHandler:say('You aren\'t looking really bad, ' .. getCreatureName(cid) .. '. I can only help in cases of real emergencies. Raise your health simply by eating food.')
        end
        return TRUE
    end
end
function onThink()                         npcHandler:onThink() end
-- OTServ event handling functions end
npcHandler:addModule(FocusModule:new())