Compare number to nil

[Sythalin]

Happens every time I mouseover a quest mob when first logging in:

Error occured in: Global
Count: 1
Message: ..\AddOns\Carbonite\Carbonite.lua line 1431:
   attempt to compare number with nil
Debug:
   [C]: ?
   Carbonite\Carbonite.lua:1431: FiC3()
   Carbonite\Carbonite.lua:23948: TP2()
   Carbonite\Carbonite.lua:10829: ToP()
   Carbonite\Carbonite.lua:2440: h()
   Carbonite\Carbonite.lua:21067: NXOnEvent()
   [string "*:OnEvent"]:1:
      [string "*:OnEvent"]:1