getting this error for bagon w/nui+

[mbernarr]

Date: 2011-02-08 12:33:09
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Bagnon\components\item.lua line 562:
bad argument #2 to 'format' (string expected, got nil)
Debug:
[C]: ?
[C]: format()
Bagnon\components\item.lua:562: in main chunk
AddOns:
Swatter, v3.2.3 (<%codename%>)
Ace3, v
ACP, v3.3.13
Archy, vv1.7b7
Bagnon, v2.14.0
BagnonForever, v1.1.2
BlizRuntimeLib_enUS v4.0.6.40000 <us>
(ck=9e)