What steps will reproduce the problem?
1. Open altoholic
2. AccountSummary.lua line 133:
   bad argument #2 to 'format' (string expected, got nil)
3. New Datastroe add-ons have been loaded!

What is the expected output? What do you see instead?
AccountSummary.lua line 133:
   bad argument #2 to 'format' (string expected, got nil)

What version of the product are you using?
Altoholic, v3.3.001
latest versions of DataStore

Do you have an error log of what happened?
Date: 2009-12-26 15:13:15
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Altoholic\Frames\AccountSummary.lua line 133:
   bad argument #2 to 'format' (string expected, got nil)
Debug:
   (tail call): ?
   [C]: ?
   [C]: format()
   Altoholic\Frames\AccountSummary.lua:133 Update()
   Altoholic\Frames\TabSummary.lua:95 MenuItem_OnClick()
   Altoholic\Altoholic.lua:250 OnShow()
   [string "*:OnShow"]:1:
      [string "*:OnShow"]:1
   [C]: Show()
   Altoholic\Altoholic.lua:238 ToggleUI()
   Altoholic\Frames\Mails.lua:224 ButtonHandler()
   Altoholic\Altoholic.lua:1195 MsgBox_OnClick()
   [string "*:OnClick"]:1:
      [string "*:OnClick"]:1
AddOns:
  Swatter, v5.7.4568 (KillerKoala)
  Altoholic, v3.3.001
  DataStore, v3.3.001
  DataStoreAchievements, v3.3.001
  DataStoreAuctions, v3.3.001
  DataStoreCharacters, v3.3.001
  DataStoreContainers, v3.3.001
  DataStoreCrafts, v3.3.001
  DataStoreCurrencies, v3.3.001
  DataStoreInventory, v3.3.001
  DataStoreMails, v3.3.001
  DataStorePets, v3.3.001
  DataStoreQuests, v3.3.001
  DataStoreReputations, v3.3.001
  DataStoreSkills, v3.3.001
  DataStoreSpells, v3.3.001
  DataStoreStats, v3.3.001
  DataStoreTalents, v3.3.001
  (ck=e01)

Please provide any additional information below.