Syserr

01/22/2015 15:24 .Fr3zy94™#1
Hi i got this error on 34083:


PHP Code:
SYSERRJan 22 13:05:13 :: RunStateLUA_ERROR: [string "magazin_fierar"]:2attempt to index global `npc' (a number value)
SYSERR: Jan 22 13:05:13 :: WriteRunningStateToSyserr: LUA_ERROR: quest magazin_fierar.start letter 
And this is the quest:

PHP Code:
quest magazin_fierar begin
    state start begin
        when 20016.chat
."Iteme fara +" begin    
            setskin
(NOWINDOW)
            
npc.open_shop(13)
        
end
        when 20016.chat
."Item fara +2" begin
            setskin
(NOWINDOW)    
            
npc.open_shop(14)
        
end
        when 20016.chat
."Item cu +" begin
            setskin
(NOWINDOW)    
            
npc.open_shop(12)
        
end
    end
end 
Can anyone explain me this syserr or help me to fix it?