What steps will reproduce the problem?
1. Open ATSW
2. Click on Edit button next to Custom Sorting
3. Attempt to scroll will produce error.

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

Should be able to scroll on either side and can't.

What version of the product are you using?

.71 (latest from curse.com)

Do you have an error log of what happened? Yes

<log begin>
Date: 2008-10-24 00:27:42
ID: 52
Error occured in: Global
Count: 1
Message: ..\FrameXML\UIPanelTemplates.lua line 230:
   attempt to index local 'self' (a number value)
Debug:
   (tail call): ?
   [C]: ?
   ..\FrameXML\UIPanelTemplates.lua:230 FauxScrollFrame_OnVerticalScroll()
   [string "*:OnVerticalScroll"]:1:
      [string "*:OnVerticalScroll"]:1
   [C]: SetVerticalScroll()
   [string "*:OnValueChanged"]:1:
      [string "*:OnValueChanged"]:1
AddOns:
  Swatter, v3.1.6 (<%codename%>)
  AdvancedTradeSkillWindow, v
  Altoholic, v3.0.002
  AucAdvanced, v5.1.3620 (SnaggleTooth)
  AucFilterBasic, v5.1.3620 (SnaggleTooth)
  AucFilterOutlier, v5.1.3620.2531
  AucMatchUndercut, v5.1.3620.2531
  AucStatClassic, v5.1.3620 (SnaggleTooth)
  AucStatHistogram, v5.1.3620 (SnaggleTooth)
  AucStatPurchased, v5.1.3620 (SnaggleTooth)
  AucStatSales, v5.1.3620.2842
  AucStatSimple, v5.1.3620 (SnaggleTooth)
  AucStatStdDev, v5.1.3620 (SnaggleTooth)
  AucStatWOWEcon, v5.1.3620.2530
  AucUtilAHWindowControl, v5.1.3620.3311
  AucUtilAppraiser, v5.1.3620.2530
  AucUtilAskPrice, v5.1.3620.3175
  AucUtilAutoMagic, v5.1.3620.3142
  AucUtilCompactUI, v5.1.3620.2530
  AucUtilEasyBuyout, v5.1.3620.3583
  AucUtilItemSuggest, v5.1.3620.3108
  AucUtilPriceLevel, v5.1.3620.2545
  AucUtilScanButton, v5.1.3620.2530
  AucUtilScanFinish, v5.1.3620.2530
  AucUtilScanProgress, v5.1.3620.2530
  AucUtilSearchUI, v5.1.3620.3483
  AucUtilVendMarkup, v5.1.3620.2530
  Babylonian, v5.1.DEV.130
  Bagnon, v1.6.5
  Bejeweled, v1.02
  Cartographer3, v3.0 v0.10.2
  Cartographer3InstancePOIs, v
  Cartographer3Notes, v
  Configator, v5.1.DEV.130
  DagAssist, v1.10
  DebugLib, v5.1.DEV.130
  EnhTooltip, v5.1.3620 (SnaggleTooth)
  Factionizer, v30002.1
  Gatherer, v3.1.6
  GathererDBWowhead, v1.0.2008-10-06
  Omen, v3.0
  Outfitter, v4.3b10
  Postal, v3.0.1
  QuestGuru, v0.9.5
  QuestHelper, v0.63
  Recount, v
  SellOMatic, v0.95
  SlideBar, v3.1.6 (<%codename%>)
  Stubby, v5.1.3620 (SnaggleTooth)
  TalentedLoader, v
  Titan, v4.0.1.30000 (Revision 16)
  TitanAmmo, v4.0.1.30000
  TitanCoords, v4.0.1.30000
  TitanGoldTracker, v4.0.1.30000
  TitanLootType, v4.0.1.30000
  TitanPerformance, v4.0.1.30000
  TitanRepair, v4.0.1.30000
  TitanVolume, v4.0.1.30000
  TitanXP, v4.0.1.30000
  (ck=70e)
<log end>

Please provide any additional information below.