Lua NPC Lua script error - Please help!

[Rasmus Bror]

Hello, when I have my server online, I get a massive list of errors in my console, its one error for each NPC, like this:

[06/08/2013 16:02:31] Lua Script Error: [Npc interface]
[06/08/2013 16:02:31] data/npc/scripts/Guide Luke.luanThink
[06/08/2013 16:02:31] data/npc/lib/npcsystem/npchandler.lua:595: table index is nil
[06/08/2013 16:02:31] stack traceback:
[06/08/2013 16:02:31] [C]: in function '__newindex'
[06/08/2013 16:02:31] data/npc/lib/npcsystem/npchandler.lua:595: in function 'say'
[06/08/2013 16:02:31] data/npc/scripts/Guide Luke.lua:32: in function 'callback'
[06/08/2013 16:02:31] data/npc/lib/npcsystem/npchandler.lua:462: in function 'onThink'
[06/08/2013 16:02:31] data/npc/scripts/Guide Luke.lua:27: in function <data/npc/scripts/Guide Luke.lua:27>

I use "The Forgotten Server 9.6 ( Mystic Spirit ) by Talaturen"

This is the Guide Luke.lua file : 8rTzve8t | shrib.com
And this is the npchandler.lua : 4uEbcANe | shrib.com

If you want me to show or explain anything else, please tell me, because I really need help.

I would really appreciate some help, because this is making my console and computer lagg so much. I am kinda new to this stuffs, so please explain noobfriendly..
Thanks!

//
Rasmus

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