Lua NPC trade Problem

[selo]

Hiho
i got problem with my npc system
the problem is when a player trade with an npc the npc keeps the trade channel opened even if the player said bye or lefted the npc
and when the player try to buy another item at another npc the other npc takes money and give nothing
and there is a error in my console shows what is the error that appear

thats the pic

http://members.multimania.co.uk/zhtek/pics/npc error.JPG

and my npc system files too
this is the lib files for the npc system
http://members.multimania.co.uk/zhtek/pics/lib.rar

 

[selo]

Bump
rep ++ for help

 

[Aako]

I got the same error, but... I dont remember how did I solve it..

 

[lol94]

yeah, I had that problem... look at this and rep++
http://otland.net/f16/problem-simple-npcs-scripts-132082/

 

[selo]

thnx rep ++