Updated from 1.8.5 to current.  Upon ui reload and oq launch encountered oQ interface blank and window control missing.  Error report:

Date: 2014-04-08 19:41:17
ID: 3
Error occured in: Global
Count: 1
Message: ..\AddOns\oqueue\oqueue_ui_tools.lua line 203:
   attempt to index field '__frame_pool' (a nil value)
Debug:
   oqueue\oqueue_ui_tools.lua:203: CreateFrame()
   oqueue\oqueue_ui_tools.lua:349: panel()
   oqueue\oqueue.lua:14726: create_ui_shade()
   oqueue\oqueue.lua:14770: badtag_shade()
   oqueue\oqueue.lua:24988: ui_toggle()
   oqueue\oqueue.lua:300: ?()
   ..\FrameXML\ChatFrame.lua:4315: ChatEdit_ParseText()
   ..\FrameXML\ChatFrame.lua:3969: ChatEdit_SendText()
   ..\FrameXML\ChatFrame.lua:4008: ChatEdit_OnEnterPressed()
   [string "*:OnEnterPressed"]:1:
      [string "*:OnEnterPressed"]:1
Locals:
type_ = "frame"
name = "shade"
parent = OQMainFrame {
 0 = <userdata>
 numTabs = 7
 selectedTab = 2
}
template = nil
(*temporary) = nil
(*temporary) = "Shade"
(*temporary) = "shade"
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index field '__frame_pool' (a nil value)"
oq = <table> {
 hint_next = <function> defined @Interface\AddOns\oqueue\oqueue.lua:14796
 update_scores = <function> defined @Interface\AddOns\oqueue\oqueue.lua:19459
 add_voip_subselection = <function> defined @Interface\AddOns\oqueue\oqueue.lua:13035
 route_to_boss = <function> defined @Interface\AddOns\oqueue\oqueue.lua:21840
 on_top_dps_recvd = <function> defined @Interface\AddOns\oqueue\oqueue.lua:17761
 queue_popped = <function> defined @Interface\AddOns\oqueue\oqueue.lua:22344
 onShow_tab1 = <function> defined @Interface\AddOns\oqueue\oqueue.lua:12727
 timer_invite_group = <function> defined @Interface\AddOns\oqueue\oqueue.lua:8066
 remove_btag_from_meshcache = <function> defined @Interface\AddOns\oqueue\oqueue.lua:10438
 calc_pkt_stats = <function> defined @Interface\AddOns\oqueue\oqueue.lua:3564
 set_deserter = <function> defined @Interface\AddOns\oqueue\oqueue.lua:19130
 decode_hp = <function> defined @Interface\AddOns\oqueue\oqueue.lua:19926
 player_new_level = <function> defined @Interface\AddOns\oqueue\oqueue.lua:23543
 get_mmr = <function> defined @Interface\AddOns\oqueue\oqueue.lua:2789
 get_bg_experience = <function> defined @Interface\AddOns\oqueue\oqueue_premade_info.lua:413
 set_group_lead = <function> defined @Interface\AddOns\oqueue\oqueue.lua:10251
 clear_report_attempts = <function> defined @Interface\AddOns\oqueue\oqueue.lua:24641
 group_left = <function> defined @Interface\AddOns\oqueue\oqueue.lua:8442
 get_spell_crit = <function> defined @Interface\AddOns\oqueue\oqueue.lua:2810
 create_tab_banlist = <function> defined @Interface\AddOns\oqueue\oqueue.lua:14077
 pass_preference_filter = <function> defined @Interface\AddOns\oqueue\oqueue.lua:11755
 space_it = <function> defined @Interface\AddOns\oqueue\oqueue.lua:5311
 raid_announce_relay = <function> defined @Interface\AddOns\oqueue\oqueue.lua:6406
 pm_tooltip_set = <function> defined @Interface\AddOns\oqueue\oqueue_tooltips.lua:742
 first_open_seat = <function> defined @Interface\AddOns\oqueue\oqueue.lua:22646
 trim_oldies = <function> defined @Interface\AddOns\oqueue\oqueue.lua:17308
 send_to_scorekeeper = <function> defined @Interface\AddOns\oqueue\oqueue.lua:4279
 create_scenario_group = <function> defined @Interface\AddOns\oqueue\oqueue.lua:9150
 start_ready_check = <function> defined @Interface\AddOns\oqueue\oqueue.lua:18329
 cell_occupied = <function> defined @Interface\AddOns\oqueue\oqueue.lua:8734
 on_grp_stats = <function> defined @Interface\AddOns\oqueue\oqueue.lua:20953
 player_died = <function> defined @Interface\AddOns\oqueue\oqueue.lua:23525
 update_raid_listitem = <function> defined @Interface\AddOns\oqueue\oqueue.lua:17216
 get_premade_type_desc = <function> defined @Interface\AddOns\oqueue\oqueue.lua:13237
 toggle_threat_level = <function> defined @Interface\AddOns\oqueue\oqueue.lua:557
 send_leave_waitlist = <function> defined @Interface\AddOns\oqueue\oqueue.lua:7235
 on_mesh_tag = <function> defined @Interface\AddOns\oqueue\oqueue.lua:10486
 on_group_roster_update = <function> defined @Interface\AddOns\oqueue\oqueue.lua:23360
 toggle_auto_role = <function> defined @Interface\AddOns\oqueue\oqueue.lua:22987
 bg_name = <function> defined @Interface\AddOns\oqueue\oqueue.lua:7399
 find_first_available_group = <function> defined @Interface\AddOns\oqueue\oqueue.lua:8125
 on_proxy_target = <function> defined @Interface\AddOns\oqueue\oqueue.lua:16177
 decode_stats2 = <function> defined @Interface\AddOns\oqueue\oqueue.lua:20197
 create_tab3_shade = <function> defined @Interface\AddOns\oqueue\oqueue.lua:15695
 get_arena_rating = <function> defined @Interface\AddOns\oqueue\oqueue.lua:2793
 get_crowns = <function> defined @Interface\AddOns\oqueue\oqueue.lua:19445
 log_cmdline = <function> defined @In
AddOns:
  Swatter, v4.4.1 (<%codename%>)
  Archy, v1.8.43
  Atlas, v1.26.02
  AtlasLootLoader, vv7.07.02
  AucAdvanced, v5.19.5445 (QuiescentQuoll)
  AucFilterBasic, v5.19.5445 (QuiescentQuoll)
  AucFilterOutlier, v5.19.5445.5437(5.19/embedded)
  AucMatchUndercut, v5.19.5445.5364(5.19/embedded)
  AucStatHistogram, v5.19.5445 (QuiescentQuoll)
  AucStatiLevel, v5.19.5445 (QuiescentQuoll)
  AucStatPurchased, v5.19.5445 (QuiescentQuoll)
  AucStatSales, v5.19.5445.5376(5.19/embedded)
  AucStatSimple, v5.19.5445 (QuiescentQuoll)
  AucStatStdDev, v5.19.5445 (QuiescentQuoll)
  AucStatWOWEcon, v5.19.5445.5323(5.19/embedded)
  AucUtilAHWindowControl, v5.19.5445.5347(5.19/embedded)
  AucUtilAppraiser, v5.19.5445.5438(5.19/embedded)
  AucUtilAskPrice, v5.19.5445.5347(5.19/embedded)
  AucUtilAutoMagic, v5.19.5445.5443(5.19/embedded)
  AucUtilCompactUI, v5.19.5445.5444(5.19/embedded)
  AucUtilEasyBuyout, v5.19.5445.5427(5.19/embedded)
  AucUtilFixAH, v5.19.5445 (QuiescentQuoll)
  AucUtilItemSuggest, v5.19.5445.5417(5.19/embedded)
  AucUtilPriceLevel, v5.19.5445.5444(5.19/embedded)
  AucUtilScanButton, v5.19.5445.5403(5.19/embedded)
  AucUtilScanFinish, v5.19.5445.5347(5.19/embedded)
  AucUtilScanProgress, v5.19.5445.4979(5.19/embedded)
  AucUtilScanStart, v5.19.5445.5347(5.19/embedded)
  AucUtilSearchUI, v5.19.5445.5373(5.19/embedded)
  AucUtilSimpleAuction, v5.19.5445.5415(5.19/embedded)
  AucUtilVendMarkup, v5.19.5445.4828(5.19/embedded)
  Babylonian, v5.1.DEV.332(/embedded)
  BadBoy, v12.108
  BadBoyCCleaner, v3.66
  BadBoyLevels, v2.97
  BattlegroundTargets, v50400-1
  BeanCounter, v5.19.5445 (QuiescentQuoll)
  BlockChinese, v0.8
  Configator, v5.1.DEV.359(/embedded)
  DBMCore, v
  DBMStatusBarTimers, v
  DebugLib, v5.1.DEV.337(/embedded)
  Decursive, v2.7.3.1-2-g35115f1
  HealersHaveToDie, v2.3
  Informant, v5.19.5445 (QuiescentQuoll)
  LibExtraTip, v5.12.DEV.355(/embedded)
  LibSharedMedia30, v3.0-81
  oqueue, v1.8.5
  PetBattleTeams, v3.2.5
  PetJournalEnhanced, v2.9.10
  Recount, v
  SellJunk, v3.0.10
  SlideBar, v4.4.1 (<%codename%>)
  Stubby, v5.19.5445 (QuiescentQuoll)
  TipHelper, v5.12.DEV.351(/embedded)
  XPerl, v3.7.5
  XPerlArcaneBar, v
  XPerlParty, v
  XPerlPartyPet, v
  XPerlPlayer, v
  XPerlPlayerBuffs, v
  XPerlPlayerPet, v
  XPerlRaidAdmin, v
  XPerlRaidFrames, v
  XPerlRaidHelper, v
  XPerlRaidPets, v
  XPerlTarget, v
  XPerlTargetTarget, v
  BlizRuntimeLib_enUS v5.4.7.50400 <us>
  (ck=978)

 

1.8.7+ requires a hard restart from 1.8.5

exit your wow and restart it