[16:34:23.107] [Error - NpcScript Interface]
[16:34:23.107] data/npc/scripts/Znozel.lua:onCreatureSay
[16:34:23.107] Description:
[16:34:23.107] data/npc/scripts/Znozel.lua:172: attempt to index a nil value
[16:34:23.107] stack traceback:
[16:34:23.107] data/npc/scripts/Znozel.lua:172: in function 'callback'
[16:34:23.107] data/npc/lib/npcsystem/npchandler.lua:455: in function 'onCreatureSay'
[16:34:23.107] data/npc/scripts/Znozel.lua:9: in function <data/npc/scripts/Znozel.lua:9>