WowAce

What steps will reproduce the problem?
1. Join a party in a dungeon
2. see error.

What is the expected output? What do you see instead?
I get an error.  don't really see any difference with the hud, but the error annoys me.

What version of the product are you using?
DHUD3

Do you have an error log of what happened?
Date: 2011-01-10 01:20:01
ID: 1
Error occured in: Global
Count: 1
Message: ...\DHUD3\Libs\LibDogTag-Unit-3.0\Categories\Talent.lua line 29:
   attempt to perform arithmetic on field '?' (a string value)
Debug:
   (tail call): ?
   ...\DHUD3\Libs\LibDogTag-Unit-3.0\Categories\Talent.lua:29:
      ...\DHUD3\Libs\LibDogTag-Unit-3.0\Categories\Talent.lua:23
   ...\DHUD3\Libs\LibDogTag-Unit-3.0\Categories\Talent.lua:48:
      ...\DHUD3\Libs\LibDogTag-Unit-3.0\Categories\Talent.lua:40
   [string "safecall Dispatcher[5]"]:4:
      [string "safecall Dispatcher[5]"]:4
   [C]: ?
   [string "safecall Dispatcher[5]"]:13: ?()
   ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:92: Fire()
   ...Fails\Libs\LibTalentQuery-1.0\LibTalentQuery-1.0.lua:259:
      ...Fails\Libs\LibTalentQuery-1.0\LibTalentQuery-1.0.lua:243
   (tail call): ?
AddOns:
  Swatter, v3.2.3 (<%codename%>)
  NPCScan, v4.0.3.5
  Ace3, v
  AGT, v
  Altoholic, v4.0.005
  ArkInventory, v3.02
  ArkInventoryRules, v
  AtlasLoot, vv6.01.02
  AtlasLootBurningCrusade, vv6.01.02
  AtlasLootCataclysm, vv6.01.02
  AtlasLootClassicWoW, vv6.01.02
  AtlasLootCrafting, vv6.01.02
  AtlasLootWorldEvents, vv6.01.02
  AtlasLootWrathoftheLichKing, vv6.01.02
  Auctionator, v2.8.7
  Babylonian, v5.1.DEV.130
  BigRed, v2.0.1b
  Clique, vv40000-1.3.2
  Configator, v5.1.DEV.286
  CoolLine, v4.0.003
  Critline, v3.1.3
  DataStore, v4.0.001
  DataStoreAchievements, v4.0.001
  DataStoreAuctions, v4.0.001
  DataStoreCharacters, v4.0.001
  DataStoreContainers, v4.0.001
  DataStoreCrafts, v4.0.001
  DataStoreCurrencies, v4.0.001
  DataStoreInventory, v4.0.001
  DataStoreMails, v4.0.001
  DataStorePets, v4.0.001
  DataStoreQuests, v4.0.001
  DataStoreReputations, v4.0.001
  DataStoreSpells, v4.0.001
  DataStoreStats, v4.0.001
  DataStoreTalents, v4.0.001
  DBMCore, v
  DHUD3, v3.0
  DrDamage, v1.8.3_release
  EnsidiaFails, v
  FishingBuddy, v0.9.9e3
  Gatherer, v3.2.3
  GearScore, v4.1.02
  Grid, v1.40000.1403
  GridIndicatorSideIcons, v40000-2
  GridManaBars, v1.04
  GridStatusMTs, v40000-1
  GridStatusRaidDebuff, vv3.1
  GridStatusRole, v1.3.1
  GridUnitMenu, v30300.1
  HudMap, v
  LibSink20, v
  Mappy, v3.0.1
  MisdirectionAnnounce, v
  Obituary, v0.4.4
  Omen, v3.1.0
  PowerAuras, v4.9
  Quartz, v3.0.4
  RatingBuster, v
  RazerNaga, v1.3.2
  RazerNagaCast, v
  RazerNagaRoll, v
  RazerNagaTotems, v
  RazerNagaXP, v
  RedRange, v
  RuneWatch, vv1.2.14 Build 60ba975
  Skada, v1.2-31
  SkadaAbsorbs, v1.0
  SkadaCC, v1.0
  SkadaDamage, v1.0
  SkadaDamageTaken, v1.0
  SkadaDeaths, v1.0
  SkadaDebuffs, v1.0
  SkadaDispels, v1.0
  SkadaEnemies, v1.0
  SkadaFailbot, v1.0
  SkadaHealing, v1.0
  SkadaPower, v1.0
  SkadaThreat, v1.0
  SlideBar, v3.2.3 (<%codename%>)
  SmartBuff, v4.0e
  spellstealer, v1.6
  TankWarnings, v1.2.2b
  TidyPlates, v6.0.4 (r95)
  TidyPlatesGraphite, v
  TidyPlatesGrey, v
  TidyPlatesNeon, v
  TipTac, v10.12.05
  TipTacItemRef, v10.12.06
  TipTacTalents, v10.11.23
  Watcher, v2.15
  WIM, v3.5.1
  BlizRuntimeLib_enUS v4.0.3.40000 <eu>
  (ck=88d)

Please provide any additional information below.

I am going to bet this is another addon messing up. Have you changed the default DHUD3 tags? If not, or if you changed them but never query Talent information, then it is defently someone else error.