请问高手公版lujing代码是哪个问题

慕容懒虫(sgxdn@ts2)

local_unknown_room=function(n,l,w)
    local s=w[2]
        if s=='梅林' then
           locl.room='梅林'
           return
        end
    unknown_room_relation=(string.gsub(s,' ',''))
    r_r=string.reverse(unknown_room_relation)
       _, i = string.find(r_r,'[\n]')
    locl.room = (string.sub(unknown_room_relation, 1-i))
    exe('unset look')
        locl.where=locl.area..locl.room
    print(locl.where,locl.area,locl.room)
    locl.room_relation = (string.gsub(unknown_room_relation,'[\n]',''))
end

慕容懒虫(sgxdn@ts2)

D:\newmush\MUSHS (ts2)\MUSHS\lua\lujing.lua:209: attempt to perform arithmetic on global 'i' (a nil value)
stack traceback:
        D:\newmush\MUSHS (ts2)\MUSHS\lua\lujing.lua:209: in function <D:\newmush\MUSHS (ts2)\MUSHS\lua\lujing.lua:200>

本至(aws@ts2)

你是在那个房间报的这个错误？