TFS 1.X+ simple guild title otcv8 module problem

[ForgottenNot]

hi im having problem with this Simple Guild Title Module [OTCV8] [TFS 1.4.2] (https://otland.net/threads/simple-guild-title-module-otcv8-tfs-1-4-2.288941/)

what i have done or how thins are configured
global.lua

math.randomseed(os.time())
dofile('data/lib/lib.lua')
dofile('data/lib/core/json.lua')

guildtitle revscript

local LoginEvent = CreatureEvent("guildTitle_Login")
function LoginEvent.onLogin(player)
    player:registerEvent("guildTitle")
    return true
end
LoginEvent:register()
local OPCODE_GUILDTITLE = 134

local guildTitle = CreatureEvent("guildTitle")
guildTitle:type("extendedopcode")
function guildTitle.onExtendedOpcode(player, opcode, buffer)
    if opcode and opcode == OPCODE_GUILDTITLE then
        local json_status, json_data =
        pcall(
            function()
                return json.decode(buffer)
            end
        )
        local creatureID = json_data.creature
        local creature = Creature(creatureID)
        if creature and creature:isPlayer() then
            local guild = creature:getGuild()
            if guild ~= nil then
                local data = {
                    response = "setGuildNick",
                    creatureId = creatureID,
                    name = creature:getName(),
                    guildNick = creature:getGuildNick(),
                    guildName = guild:getName(),
                }
                player:sendExtendedOpcode(OPCODE_GUILDTITLE,json.encode(data))
            end
        end
    end
end
guildTitle:register()

in lib/core/json.lua

https://pastebin.com/Z7mx9nAX

data/lib/core/core.lua

dofile('data/lib/core/json.lua')

i placed the game_guildTile folder inside modules nothing appears i do have a guild its on gm character

16:50 You see yourself. You are god. You are the Leader of the Paster, which has 1 member, 1 of them online.
Health: 1095 / 1095, Mana: 1095 / 1095.
Position: 31741, 32399, 7
IP: xxx.xxx.xx.xx PING: 0 FPS: 0.

what do i missing
in game features i do have enable extendedopcode i have shop working