What steps will reproduce the problem?
1. Scrolling with ACP open

What is the expected output? What do you see instead?
No scrolling occurred. An error occurs when attempting to scroll.

What version of the product are you using?
3.0.0

Do you have an error log of what happened?
Date: 2008-10-13 14:45:18
ID: 53
Error occured in: Global
Count: 1
Message: ..\FrameXML\UIPanelTemplates.lua line 236:
   attempt to perform arithmetic on local 'itemHeight' (a table value)
Debug:
   [C]: ?
   ..\FrameXML\UIPanelTemplates.lua:236 FauxScrollFrame_OnVerticalScroll()
   [string "*:OnVerticalScroll"]:1:
      [string "*:OnVerticalScroll"]:1
   [C]: SetVerticalScroll()
   [string "*:OnValueChanged"]:1:
      [string "*:OnValueChanged"]:1
AddOns:
  ACP, v3.0.0
  AltClickToAddItem, v1.1
  Atlas, v1.12.0
  AtlasBattlegrounds, v1.12.0
  AtlasDungeonLocs, v1.12.0
  AtlasFlightPaths, v1.12.0
  AtlasOutdoorRaids, v1.12.0
  AtlasLoot, vAtlasLoot Enhanced v4.06.04
  AucAdvanced, v5.0.PRE.3262
  AutoBar, v2.04.03.02 release
  BagginsItemRack, v2008-04-13
  Baggins, vBeta 1
  BankStack, v1
  BankStackFu, v1
  Bongos, v1.3
  BongosAB, v2.1
  BongosMinimap, vBeta 9c
  Broker2FuBar, v1.0
  EavesDrop, v2.1
  ElkBuffBars, v2.1
  EnhTooltip, v5.0.PRE.3262
  EquipCompare, v2.11
  ErrorMonster, v2
  Examiner, v08.05.03
  FreeRefills, v2.0
  FuBarClockFu, v3.0
  FuBarLocationFu, v3.0
  FuBarMoneyFu, v20400-1
  FuBarPerformanceFu, v2.0
  FuBar, v60201
  Informant, v5.0.PRE.3262
  ItemRack, v2.23
  Ace2
  Ace3
  LibBabbleBoss30
  LibBabbleFaction30
  LibBabbleZone30
  LibDruidMana10, v1.0
  LibStub
  MikScrollingBattleText, v5.2.14
  MountMe, v2.0
  Omen, vOmen r79486 / Threat-2.0 r90000
  OmniCC, v2.2.0
  Prat, v2.0 80936
  Quartz, v0.1.0
  RatingBuster, v1.4.0 (r175)
  RogueFocus, v1.0.3
  SpamSentry, v20080707
  Stubby, v93
  Swatter, v5.0.PRE.3262
  TrinketMenu
  WIM, v2.4.15
  XPerlArcaneBar
  XPerlParty
  XPerlPartyPet
  XPerlPlayerBuffs
  XPerlPlayer
  XPerlPlayerPet
  XPerlTarget
  XPerlTargetTarget
  XPerl, v2.4.3b

Please provide any additional information below.