Lua Error, help pliss...

[azevedo2109]

My server is not functioning trade system, and appears this error:

[15:38:25.068] [Error - NpcScript Interface] 
[15:38:25.068] (Unknown script file)
[15:38:25.068] Description: 
[15:38:25.068] data/npc/lib/npcsystem/npchandler.lua:263: bad argument #1 to 'unpack' (table expected, got nil)
[15:38:25.068] stack traceback:
[15:38:25.068] 	[C]: in function 'unpack'
[15:38:25.068] 	data/npc/lib/npcsystem/npchandler.lua:263: in function 'processModuleCallback'
[15:38:25.068] 	data/npc/lib/npcsystem/npchandler.lua:440: in function 'onBuy'
[15:38:25.068] 	data/npc/lib/npcsystem/modules.lua:1302: in function <data/npc/lib/npcsystem/modules.lua:1301>

info: trunk.r3884, sytem ubuntu 10.04

helppp, plisss

 

[azevedo2109]

plisss