NPC No Walk

[bolachapanco]

I have this npc script but I can't make it walk, can anyone help me?

Base: GitHub - opentibiabr/canary: Canary Server 13.x for OpenTibia community. (https://github.com/opentibiabr/canary)

local internalNpcName = "Harlow"
local npcType = Game.createNpcType(internalNpcName)
local npcConfig = {}

npcConfig.name = internalNpcName
npcConfig.description = internalNpcName

npcConfig.health = 100
npcConfig.maxHealth = npcConfig.health
npcConfig.walkInterval = 2000
npcConfig.walkRadius = 2

npcConfig.outfit = {
    lookType = 151,
    lookHead = 116,
    lookBody = 77,
    lookLegs = 113,
    lookFeet = 0,
    lookAddons = 0
}

npcConfig.flags = {
    floorchange = false
}

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)

npcType.onThink = function(npc, interval)
    npcHandler:onThink(npc, interval)
end

npcType.onAppear = function(npc, creature)
    npcHandler:onAppear(npc, creature)
end

npcType.onDisappear = function(npc, creature)
    npcHandler:onDisappear(npc, creature)
end

npcType.onMove = function(npc, creature, fromPosition, toPosition)
    npcHandler:onMove(npc, creature, fromPosition, toPosition)
end

npcType.onSay = function(npc, creature, type, message)
    npcHandler:onSay(npc, creature, type, message)
end

npcType.onCloseChannel = function(npc, creature)
    npcHandler:onCloseChannel(npc, creature)
end

npcHandler:setMessage(MESSAGE_GREET, "Can I interest you in a trip to {Vengoth}?")

local travelNode = keywordHandler:addKeyword({'vengoth'}, StdModule.say, {npcHandler = npcHandler, text = 'Do you seek a passage to |TRAVELCOST|?', cost = 0})
    travelNode:addChildKeyword({'yes'}, StdModule.travel, {npcHandler = npcHandler, premium = false, cost = 0, destination = Position(32837, 31366, 7) })
    travelNode:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, reset = true, text = 'Oh well.'})

npcHandler:setMessage(MESSAGE_FAREWELL, "Good bye.")
npcHandler:setMessage(MESSAGE_WALKAWAY, "Good bye then.")

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new(), npcConfig.name, true, true, true)

-- npcType registering the npcConfig table
npcType:register(npcConfig)