Lua Default.lua doesn't Work =/

[bolero]

I have this error and when I go to the NPC doesn't are there because doesn't work with this script..

[2:56:53.552] [Error - NpcScript Interface]
[2:56:53.552] data/npc/scripts/default.lua
[2:56:53.552] Description:
[2:56:53.552] data/lib/050-function.lua:281: attempt to index a boolean value
[2:56:53.552] [Warning - NpcEvents::NpcEvents] Cannot load script: data/npc/scripts/default.lua

 

[Znote]

Because it attempt to index a boolean value

Or well, assuming null represents false.