FOOK

local box = 179697 --wowhead.com/object=179697
local news = 0
local function Lott ()
    local Map = GetMapById(0) --map id
    local Nam = GetAreaName(2117) --Name of the region
    local OBJ= Map:GetWorldObject(box)
    if obj then --If it does, then tell everyone
        if news = 0 then
            SendWorldMessage("["..Nam.."] Arrr, Me Hearties! I be havin' some extra Treasure that I be givin' away at the "..Nam.." ! All ye need do to collect it is open the chest I leave on the "..Nam.." floor!")
        end
        news = 1
    else
        news = 0 --If it disappears, then it changed to 0
    end
end

RegisterServerEvent(17,Lott)

I want to use lua to notify everyone that gameobj has appeared, but there is a problem.

local OBJ= Map:GetWorldObject(box) returns nil, 

It seems that the method of obtaining the object is wrong, but I don’t know what to do

Hope someone can help me😭😭😭