What is the issue?
Updated pitbull from an very old date to the one released on dec 15th, upon logging in nothing pitbull related is showing as well can't open /pitbull config.
Please provide any additional information below.

Date: 2009-01-12 13:21:01
ID: 3
Error occured in: Global
Count: 1
Message: ..\AddOns\PitBull\PitBull.lua line 4801:
   attempt to index field 'colorConstants' (a nil value)
Debug:
   [C]: ?
   PitBull\PitBull.lua:4801 UpdateBackdropAndBorder()
   PitBull\PitBull.lua:4975 _PopulateUnitFrame()
   PitBull\PitBull.lua:5080 object_method()
   ...hinchilla\libs\LibRockTimer-1.0\LibRockTimer-1.0.lua:289
      ...hinchilla\libs\LibRockTimer-1.0\LibRockTimer-1.0.lua:227
AddOns:
  Swatter, v3.1.9 (<%codename%>)
  AutoProfit, v4.5
  Bagnon, v1.6.8
  BagnonForever, v1.1.1
  BagnonTooltips, v
  Bartender4, v4.2.1
  Chinchilla, v
  CowTip, v
  DBMCore, v
  Decursive, v2.3.0
  DrDamage, v1.6.0b
  ElkBuffBars, v2.2.2-135
  Grid, v1.30000.2008101802
  HotStreakSound, v1.1
  ItemRack, v
  Omen, v3.0.3
  OmniCC, v2.2.5
  PitBull, vv3.2.9
  PitBullAura, v2.0
  PitBullBanzai, v1.0
  PitBullBarFader, v0.1
  PitBullCastBar, v2.0
  PitBullCombatIcon, v2.0
  PitBullCombatText, v2.0
  PitBullComboPoints, v2.0
  PitBullExperienceBar, v2.0
  PitBullHealthBar, v2.0
  PitBullHideBlizzard, v2.0
  PitBullHighlight, v2.0
  PitBullLeaderIcon, v2.0
  PitBullMasterLooterIcon, v2.0
  PitBullPowerBar, v2.0
  PitBullPvPIcon, v2.0
  PitBullRaidTargetIcon, v2.0
  PitBullRangeCheck, v0.2
  PitBullReadyCheckIcon, v2.0
  PitBullReputationBar, v2.0
  PitBullRestIcon, v2.0
  PitBullSpark, v2.0
  PitBullThreatBar, v2.0
  PitBullVisualHeal, v2.0
  PitBullVoiceIcon, v2.0
  Portalbox, v0.6
  Postal, v3.0.1
  Prat30, vRC6
  Prat30HighCPUUsageModules, v
  Prat30Libraries, v
  Proximo, v2.3
  Quartz, v1.0
  QuartzBuff, v1.0
  QuartzFlight, v1.0
  QuartzFocus, v1.0
  QuartzGCD, v1.0
  QuartzInterrupt, v1.0
  QuartzLatency, v1.0
  QuartzMirror, v1.0
  QuartzPet, v1.0
  QuartzPlayer, v1.0
  QuartzRange, v1.0
  QuartzSwing, v1.0
  QuartzTarget, v1.0
  QuartzTimer, v1.0
  QuartzTradeskill, v1.0
  Recount, v
  SlideBar, v3.1.9 (<%codename%>)
  XLoot, v0.9
  (ck=5b2)