Code:
[19/01/2017 20:01:05] [Error - Npc interface]
[19/01/2017 20:01:05] (Unknown script file)
[19/01/2017 20:01:05] Description:
[19/01/2017 20:01:05] data/npc/lib/npcsystem/modules.lua:1229: bad argument #2 to 'error' (number expected, got string)
[19/01/2017 20:01:05] stack traceback:
[19/01/2017 20:01:05] [C]: in function 'error'
[19/01/2017 20:01:05] data/npc/lib/npcsystem/modules.lua:1229: in function 'callbackOnSell'
[19/01/2017 20:01:05] data/npc/lib/npcsystem/npchandler.lua:265: in function 'processModuleCallback'
[19/01/2017 20:01:05] data/npc/lib/npcsystem/npchandler.lua:450: in function 'onSell'
[19/01/2017 20:01:05] data/npc/lib/npcsystem/modules.lua:1296: in function <data/npc/lib/npcsystem/modules.lua:1295>
npchandler.lua : http://pastebin.com/Z2PCKuFt
modules.lua : http://pastebin.com/wHTNTVh1