What steps will reproduce the problem?
1. In a raid.
2. Dead
3. Try to send a whisper. Mind you I also have WIM installed.

Date: 2009-05-13 05:15:08
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Prat-3.0\modules\PlayerNames.lua line 1366:
   attempt to index local 'message' (a boolean value)
Debug:
   (tail call): ?
   Prat-3.0\modules\PlayerNames.lua:1366 ?()
   ...lic\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
      ...lic\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
   [string "safecall Dispatcher[4]"]:4:
      [string "safecall Dispatcher[4]"]:4
   [C]: ?
   [string "safecall Dispatcher[4]"]:13: ?()
   ...lic\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:91 Fire()
   Prat-3.0\addon\addon.lua:231
      Prat-3.0\addon\addon.lua:216
   (tail call): ?
   (tail call): ?
   WIM\Modules\History.lua:231 fun()
   WIM\WIM.lua:277 CallModuleFunction()
   WIM\Sources\WindowHandler.lua:1184
      WIM\Sources\WindowHandler.lua:1154
   (tail call): ?
   WIM\Modules\WhisperEngine.lua:173
      WIM\Modules\WhisperEngine.lua:161
   WIM\Modules\WhisperEngine.lua:472
      WIM\Modules\WhisperEngine.lua:460
   [C]: ChatEdit_ExtractTellTarget()
   ..\FrameXML\ChatFrame.lua:3219
      ..\FrameXML\ChatFrame.lua:3216
   ..\FrameXML\ChatFrame.lua:3257
      ..\FrameXML\ChatFrame.lua:3241
   [C]: ChatEdit_HandleChatType()
   ..\FrameXML\ChatFrame.lua:3314
      ..\FrameXML\ChatFrame.lua:3278
   [C]: ChatEdit_ParseText()
   ..\FrameXML\ChatFrame.lua:3083 ChatEdit_OnSpacePressed()
   [string "*:OnSpacePressed"]:1:
      [string "*:OnSpacePressed"]:1
AddOns:
  Swatter, v3.1.13 (<%codename%>)
  WowheadLooter, v30100
  NPCScan, v3.0.9.2
  AdvancedTradeSkillWindow, v
  Altoholic, v3.1.002b
  ArkInventory, v3.02
  Atlas, v1.14.1
  AtlasBattlegrounds, v1.14.1
  AtlasDungeonLocs, v1.14.1
  AtlasOutdoorRaids, v1.14.1
  AtlasTransportation, v1.14.1
  AtlasLoot, vv5.04.03
  AtlasLootWrathoftheLichKing, vv5.04.03
  AtlasLootFu, vv5.04.03
  AucAdvanced, v5.4.4157 (WallabyII)
  AucFilterBasic, v5.4.4157 (WallabyII)
  AucFilterOutlier, v5.4.4157.2531
  AucMatchUndercut, v5.4.4157.2531
  AucScanData, v5.4.4157 (WallabyII)
  AucStatClassic, v5.4.4157 (WallabyII)
  AucStatHistogram, v5.4.4157 (WallabyII)
  AucStatiLevel, v5.4.4157 (WallabyII)
  AucStatPurchased, v5.4.4157 (WallabyII)
  AucStatSales, v5.4.4157.2842
  AucStatSimple, v5.4.4157 (WallabyII)
  AucStatStdDev, v5.4.4157 (WallabyII)
  AucStatWOWEcon, v5.4.4157.2530
  AucUtilAHWindowControl, v5.4.4157.3311
  AucUtilAppraiser, v5.4.4157.2530
  AucUtilAskPrice, v5.4.4157.3175
  AucUtilAutoMagic, v5.4.4157.3142
  AucUtilCompactUI, v5.4.4157.2530
  AucUtilEasyBuyout, v5.4.4157.3583
  AucUtilItemSuggest, v5.4.4157.3108
  AucUtilPriceLevel, v5.4.4157.2545
  AucUtilScanButton, v5.4.4157.2530
  AucUtilScanFinish, v5.4.4157.2530
  AucUtilScanProgress, v5.4.4157.2530
  AucUtilSearchUI, v5.4.4157.3655
  AucUtilSimpleAuction, v5.4.4157.0
  AucUtilVendMarkup, v5.4.4157.2530
  AutoTurnin, v3.0.6
  Babylonian, v5.1.DEV.130
  Bartender4, v4.3.2
  BeanCounter, v5.4.4157 (WallabyII)
  Bejeweled, v1.03b
  Buffet, v3.1.0.28
  Cartographer, v2.0
  CartographerBattlegrounds, v2.0
  CartographerCoordinates, v2.0
  CartographerFoglight, v2.0
  CartographerGroupColors, v2.0
  CartographerGuildPositions, v2.0
  CartographerInstanceLoot, v2.0
  CartographerInstanceMaps, v2.0
  CartographerInstanceNotes, v2.0
  CartographerLookNFeel, v2.0
  CartographerNotes, v2.0
  CartographerPOI, v2.0
  CartographerWaypoints, v2.0
  CartographerZoneInfo, v2.0
  ClassTimer, v2.2
  Configator, v5.1.DEV.130
  DBMBurningCrusade, v
  DBMCore, v
  DBMUlduar, v
  DebugLib, v5.1.DEV.130
  DurabilityStatus, v
  Enchantrix, v5.4.4157 (WallabyII)
  EnchantrixBarker, v5.4.4157 (WallabyII)
  epgp, v5.4.8
  epgplootmaster, vv0.3.50
  epgplootmasterml, vv0.3.50
  FBTrackingFrame, v0.9.60
  FishingBuddy, v0.9.7c
  GFWFactionFriend, v3.1
  GFWFeedOMatic, v3.1
  GFWLinkerator, v3.1
  GLottery, v0.8 Beta
  Informant, v5.4.4157 (WallabyII)
  LightHeaded, v288
  LinkWrangler, v1.76
  LootHog, v3.1.3
  LuckyCharms2, v
  MinimapButtonFrame, v2.4
  MinimapButtonFrameSkinPack, v2.1
  Mounted, v1.3.11.20081201210047
  Omen, v3.0.7
  OmniCC, v2.5.1
  Outfitter, v4.7.2
  Postal, v3.1.1
  Prat30, v3.1.5
  Prat30HighCPUUsageModules, v
  Prat30Libraries, v
  RatingBuster, v
  Recount, v
  Scrap, vBeta 4
  SlideBar, v3.1.13 (<%codename%>)
  Stubby, v5.4.4157 (WallabyII)
  TrackoMatique, v2.9
  WIM, v3.1.1
  XLoot, v0.9
  XLootMaster, v0.7
  XPerl, v3.0.3b
  XPerlArcaneBar, v
  XPerlCustomHighlight, v
  XPerlParty, v
  XPerlPartyPet, v
  XPerlPlayer, v
  XPerlPlayerBuffs, v
  XPerlPlayerPet, v
  XPerlRaidAdmin, v
  XPerlRaidFrames, v
  XPerlRaidHelper, v
  XPerlRaidMonitor, v
  XPerlRaidPets, v
  XPerlTarget, v
  XPerlTargetTarget, v
  ZOMGBuffs, v$Revision: 58 $
  ZOMGBuffsBlessingsManager, v$Revision: 58 $
  ZOMGBuffsBlessingsPP, v$Revision: 58 $
  ZOMGBuffsLog, v$Revision: 58 $
  ZOMGBuffsPortalz, v$Revision: 58 $
  ZOMGBuffsSelfBuffs, v$Revision: 58 $
  (ck=d69)