What steps will reproduce the problem?
1. Just right-clic on the add-on on my broker bar.

What is the expected output? What do you see instead?

Date: 2010-12-23 17:12:13
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Broker_GuildMoney\broker.lua line 29:
   attempt to index upvalue 'db' (a nil value)
Debug:
   [C]: ?
   Broker_GuildMoney\broker.lua:29 OnTooltipShow()
   Bazooka\Bazooka.lua:1375 showTip()
   Bazooka\Bazooka.lua:1217
      Bazooka\Bazooka.lua:1208
AddOns:
  Swatter, v5.9.4960 (WhackyWallaby)
  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
  AucAdvanced, v5.9.4960 (WhackyWallaby)
  AucFilterBasic, v5.9.4960 (WhackyWallaby)
  AucFilterOutlier, v5.9.4960.2531
  AucMatchUndercut, v5.9.4960.2531
  AucStatHistogram, v5.9.4960 (WhackyWallaby)
  AucStatiLevel, v5.9.4960 (WhackyWallaby)
  AucStatPurchased, v5.9.4960 (WhackyWallaby)
  AucStatSales, v5.9.4960.2842
  AucStatSimple, v5.9.4960 (WhackyWallaby)
  AucStatStdDev, v5.9.4960 (WhackyWallaby)
  AucStatWOWEcon, v5.9.4960.2530
  AucUtilAHWindowControl, v5.9.4960.3311
  AucUtilAppraiser, v5.9.4960.2530
  AucUtilAskPrice, v5.9.4960.3175
  AucUtilAutoMagic, v5.9.4960.3142
  AucUtilCompactUI, v5.9.4960.2530
  AucUtilEasyBuyout, v5.9.4960.3583
  AucUtilFixAH, v5.9.4960 (WhackyWallaby)
  AucUtilGlypher, v5.9.4960.2545
  AucUtilItemSuggest, v5.9.4960.3108
  AucUtilPriceLevel, v5.9.4960.2545
  AucUtilScanButton, v5.9.4960.2530
  AucUtilScanFinish, v5.9.4960.2530
  AucUtilScanProgress, v5.9.4960.2530
  AucUtilScanStart, v5.9.4960.4819
  AucUtilSearchUI, v5.9.4960.3655
  AucUtilSimpleAuction, v5.9.4960.4546
  AucUtilVendMarkup, v5.9.4960.2530
  Babylonian, v5.1.DEV.130
  BadBoy, v6.300
  BadBoyLevels, v2.75
  Bazooka, vv1.9.8
  BeanCounter, v5.9.4960 (WhackyWallaby)
  BigWigs, v3.261
  BrokerBagFu, vv1.0.3
  BrokerCurrency, v4.0.3-1.2.4
  BrokerGuildMoney, v1.0
  BrokerRecount, v1.0
  BrokeruClock, v3.3.2
  CalendarExtras, v1.5.5
  Capping, v4.0.003
  ClassTimer, v2.3
  Configator, v5.1.DEV.282
  DBMCore, v
  DebugLib, v5.1.DEV.275
  Enchantrix, v5.9.4960 (WhackyWallaby)
  EnchantrixBarker, v5.9.4960 (WhackyWallaby)
  EnsidiaFails, v
  FishermansFriend, v
  FuBar2Broker, vr88-release
  FuBarAddonSpamFu, v1.0.10
  FuBarDungeonDiFu, v2.3.30200
  FuBarDurabilityFu, v2.14
  FuBarGroupFu, v1
  FuBarPerformanceFu, v2.0.0
  GearScoreLite, v3x04
  HalionHelper, v1.0
  Informant, v5.9.4960 (WhackyWallaby)
  LDBVengeance, v1.1-Release
  Omen, v3.1.0
  oRA3, v
  Plagued, v2.0
  QuestHubber, v
  QuestHubberAzeroth, v
  QuestHubberCataclysm, v
  QuestHubberNorthrend, v
  QuestHubberOutland, v
  RaidBuffStatus, vr431
  RatingBuster, v
  Recount, v
  sct, v6.2
  sctd, v3.1
  SimpleTankFrames, v1
  SlideBar, v5.9.4960 (WhackyWallaby)
  sRaidFrames, vr747
  sRaidFramesIndicators, v1.2
  Stubby, v5.9.4960 (WhackyWallaby)
  Volumizer, vr61
  WIM, v3.5.1
  BlizRuntimeLib_frFR v4.0.3.40000 <eu>
  (ck=a16)

What version of the product are you using?
r8

Please provide any additional information below.
The add-on don't shaow anything. It's just write Guild money. ^^