What steps will reproduce the problem?
1. Create a new toon.
2. Quest until there is enough gold to buy a bank slot.
3. Walk around with empty bag and bank slots.
4. Watch the errors appear at login and sometimes when items are placed in a bag by the game.

What is the expected output? What do you see instead?
No errors. Errors on almost every low level toon (1-20) that logs in.

What version of the product are you using?
r240

Do you have an error log of what happened?
Date: 2015-10-03 06:34:27
ID: 1
Error occured in: Global
Count: 2
Message: ..\AddOns\BankItems\BankItems.lua line 5825:
   'for' limit must be a number
Debug:
   BankItems\BankItems.lua:5825 BankItems_Generate_SelfItemCache()
   BankItems\BankItems.lua:1225
      BankItems\BankItems.lua:1152
Locals:
temp = 57549
uniqueItem = nil
data = <table> {
 2589 = <table> {
 }
 2447 = <table> {
 }
 56836 = <table> {
 }
 2449 = <table> {
 }
 93724 = <table> {
 }
 34834 = <table> {
 }
 765 = <table> {
 }
 159 = <table> {
 }
 19299 = <table> {
 }
 3173 = <table> {
 }
 109222 = <table> {
 }
}
equippedBags = <table> {
 4498 = 1
 4497 = 1
 57549 = 1
}
bankPlayer = <table> {
 1 = <table> {
 }
 2 = <table> {
 }
 3 = <table> {
 }
 4 = <table> {
 }
 5 = <table> {
 }
 6 = <table> {
 }
 7 = <table> {
 }
 8 = <table> {
 }
 9 = <table> {
 }
 10 = <table> {
 }
 11 = <table> {
 }
 12 = <table> {
 }
 Bag102 = <table> {
 }
 money = 74549
 Bag101 = <table> {
 }
 Bag0 = <table> {
 }
 Bag5 = <table> {
 }
 NumBankSlots = 3
 Ver = "6.2.2.0"
 bankTOC = 60200
 bankVer = "6.2.2.0"
 Bag7 = <table> {
 }
 location = "City of Ironforge"
 Bag100 = <table> {
 }
 TOC = 60200
 Bag6 = <table> {
 }
}
(for generator) = <function> defined =[C]:-1
(for state) = <table> {
 1 = 0
 2 = 1
 3 = 2
 4 = 3
 5 = 4
 6 = 5
 7 = 6
 8 = 7
 9 = 8
 10 = 9
 11 = 10
 12 = 11
 13 = 100
 14 = 101
 15 = 102
 16 = 103
 17 = 104
 18 = 105
}
(for control) = 13
_ = 13
bagNum = 100
theBag = <table> {
}
realSize = nil
(for index) = 1
(for limit) = nil
(for step) = 1
(*temporary) = 8
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "'for' limit must be a number"
newTable = <function> defined @Interface\AddOns\BankItems\BankItems.lua:2868
selfPlayer = <table> {
 1 = <table> {
 }
 2 = <table> {
 }
 3 = <table> {
 }
 4 = <table> {
 }
 5 = <table> {
 }
 6 = <table> {
 }
 7 = <table> {
 }
 8 = <table> {
 }
 9 = <table> {
 }
 10 = <table> {
 }
 11 = <table> {
 }
 12 = <table> {
 }
 Bag102 = <table> {
 }
 money = 74549
 Bag101 = <table> {
 }
 Bag0 = <table> {
 }
 Bag5 = <table> {
 }
 NumBankSlots = 3
 Ver = "6.2.2.0"
 bankTOC = 60200
 bankVer = "6.2.2.0"
 Bag7 = <table> {
 }
 location = "City of Ironforge"
 Bag100 = <table> {
 }
 TOC = 60200
 Bag6 = <table> {
 }
}
strmatch = <function> defined =[C]:-1
BankItems_createUniqueItem = <function> defined @Interface\AddOns\BankItems\BankItems.lua:5670
ipairs = <function> defined =[C]:-1
BAGNUMBERS = <table> {
 1 = 0
 2 = 1
 3 = 2
 4 = 3
 5 = 4
 6 = 5
 7 = 6
 8 = 7
 9 = 8
 10 = 9
 11 = 10
 12 = 11
 13 = 100
 14 = 101
 15 = 102
 16 = 103
 17 = 104
 18 = 105
}
format = <function> defined =[C]:-1
isBankOpen = false
pairs = <function> defined =[C]:-1
GetItemCount = <function> defined =[C]:-1
delTable = <function> defined @Interface\AddOns\BankItems\BankItems.lua:2875

AddOns:
  MoncaiCompare, v6.2.0
  Swatter, v5.21e.5566 (SanctimoniousSwamprat)
  ActionBarSaver, v
  AdiButtonAuras, v1.9.6
  AnyFavoriteMount, v6.0.3.10
  AucAdvanced, v5.21e.5566 (SanctimoniousSwamprat)
  AucFilterBasic, v5.21e.5566 (SanctimoniousSwamprat)
  AucFilterOutlier, v5.21e.5566.5459(5.21e/embedded)
  AucMatchUndercut, v5.21e.5566.5507(5.21e/embedded)
  AucStatHistogram, v5.21e.5566 (SanctimoniousSwamprat)
  AucStatiLevel, v5.21e.5566 (SanctimoniousSwamprat)
  AucStatPurchased, v5.21e.5566 (SanctimoniousSwamprat)
  AucStatSales, v5.21e.5566.5476(5.21e/embedded)
  AucStatSimple, v5.21e.5566 (SanctimoniousSwamprat)
  AucStatStdDev, v5.21e.5566 (SanctimoniousSwamprat)
  AucStatWOWEcon, v5.21e.5566.5323(5.21e/embedded)
  AucUtilAHWindowControl, v5.21e.5566.5347(5.21e/embedded)
  AucUtilAppraiser, v5.21e.5566.5545(5.21e/embedded)
  AucUtilAskPrice, v5.21e.5566.5447(5.21e/embedded)
  AucUtilAutoMagic, v5.21e.5566.5537(5.21e/embedded)
  AucUtilCompactUI, v5.21e.5566.5550(5.21e/embedded)
  AucUtilEasyBuyout, v5.21e.5566.5507(5.21e/embedded)
  AucUtilFixAH, v5.21e.5566 (SanctimoniousSwamprat)
  AucUtilItemSuggest, v5.21e.5566.5417(5.21e/embedded)
  AucUtilPriceLevel, v5.21e.5566.5535(5.21e/embedded)
  AucUtilScanButton, v5.21e.5566.5403(5.21e/embedded)
  AucUtilScanFinish, v5.21e.5566.5515(5.21e/embedded)
  AucUtilScanProgress, v5.21e.5566.4979(5.21e/embedded)
  AucUtilScanStart, v5.21e.5566.5347(5.21e/embedded)
  AucUtilSearchUI, v5.21e.5566.5556(5.21e/embedded)
  AucUtilSimpleAuction, v5.21e.5566.5531(5.21e/embedded)
  AucUtilVendMarkup, v5.21e.5566.4828(5.21e/embedded)
  autoturnin, v4.5.N
  Babylonian, v5.1.DEV.332(/embedded)
  BagSaver, v0.6.7
  BankItems, v6.2.2.0
  BankStack, vv35-3-gaaa7cee
  BattlePetBreedID, vv1.4.5
  Bazooka, vv2.6.1
  BrokerDualSpec, v1.9.0
  BrokerEquipment, v60000.26-Release
  BrokerPortals, v1.8.40
  BrokerProfessionsMenu, v
  CaptainsLog, vv60100-1.0.0
  Configator, v5.1.DEV.382(/embedded)
  DailyGlobalCheck, v
  DailyGlobalCheckPetTamers, v
  DarkmoonProfessional, v6.0.3.2
  DBMCore, v
  DBMDefaultSkin, v
  DBMLDB, v
  DBMStatusBarTimers, v
  DebugLib, v5.1.DEV.337(/embedded)
  ElkFactions, v1.0.0-22
  Excavatinator, v2.2
  FBBroker, v1.23
  FishingBuddy, v1.6a
  GatherMate2, v1.35.4
  GFWFactionFriend, v6.0
  GlyphStatus, vv2.12
  GryphonsRemover, vv6.2
  GTFO, v4.37.4
  HandyNotes, vv1.4.5
  HandyNotesAzerothsTopTunes, vv1.1
  HandyNotesDraenorTreasures, v1.15
  HandyNotesLorewalkers, v1
  HandyNotesLostAndFound, v1
  HandyNotesWorldMapButton, vv2.3.1
  IHML, vv2.81-8-gd9598cd
  LibExtraTip, v5.12.DEV.390(/embedded)
  LibPeriodicTable31, vv3.3.0.496
  MountJournalEnhanced, v1.1.7
  Multishot, v3.1.4
  Paste, v1.4.3
  Pawn, v1.9.19
  PetTracker, v6.2.3
  PetTrackerBreeds, v
  PetTrackerBroker, v
  PetTrackerSwitcher, v
  PetTrackerUpgrades, v
  Postal, v3.5.4
  QuestItemBar, v0.8.6.0
  Rarity, v1.0
  RarityOptions, v
  Rematch, v3.5.13
  Select, v2.3.10
  SickOfClickingDailies, vv7.1.6-Release
  SickOfClickingDailiesAltTracking, vv7.1.6-Release
  Skillet, v2.86
  Skinner, vb6.20444.1
  Stubby, v5.21e.5566 (SanctimoniousSwamprat)
  TalentMacros, vr24
  TinyDPS, v0.942
  TipHelper, v5.12.DEV.389(/embedded)
  TomTom, vv60200-2.0.0
  ToyBoxEnhanced, v1.1.7
  BlizRuntimeLib_enUS v6.2.2.60200 <none>
  (ck=cd2)

Please provide any additional information below.
This occasionally happened 2 revisions back. It got worse the last update. Now it is intolerable, and I will have to remove the addon as the errors appear so often.