22x ...aceSkinner/RetailSupport/UIFrames_Retail.lua:1665: attempt to index local 'btn' (a userdata value)
[string "@Skinner/RetailSupport/UIFrames_Retail.lua"]:1665: in function <...aceSkinner/RetailSupport/UIFrames_Retail.lua:1661>
[string "=(tail call)"]: ?
[string "=[C]"]: in function `GarrisonCapacitiveDisplayFrame_Update'
[string "@Blizzard_GarrisonUI/Mainline/Blizzard_GarrisonCapacitiveDisplay.lua"]:274: in function <...onUI/Mainline/Blizzard_GarrisonCapacitiveDisplay.lua:268>

Locals:
fObj = GarrisonCapacitiveDisplayFrame {
 0 = <userdata>
 containerID = 77
 SetPortraitShown = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:102
 requested = 1
 GetTitleText = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:28
 SetPortraitTexCoord = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:98
 SetPortraitTextureRaw = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:84
 StartWorkOrderButton = Button {
 }
 SetPortraitToClassIcon = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:92
 DecrementButton = Button {
 }
 TitleContainer = Frame {
 }
 SetTitleMaxLinesAndHeight = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:49
 SetTitleColor = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:32
 SetTitle = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:36
 SetTitleOffsets = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:54
 SetBorder = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:67
 layoutType = "PortraitFrameTemplate"
 plotID = 23
 SetFrameLevelsFromBaseLevel = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:120
 SetPortraitToBag = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:80
 PortraitContainer = Frame {
 }
 SetPortraitToUnit = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:76
 ownedShipments = 0
 Bg = GarrisonCapacitiveDisplayFrameBg {
 }
 maxShipments = 36
 GetPortrait = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:63
 SetTitleFormatted = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:40
 NineSlice = Frame {
 }
 TopTileStreaks = Texture {
 }
 sf = Frame {
 }
 FinishedGlow = Frame {
 }
 SetPortraitToAsset = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:72
 SetPortraitTextureSizeAndOffset = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:106
 IncrementButton = Button {
 }
 CloseButton = GarrisonCapacitiveDisplayFrameCloseButton {
 }
 CreateAllWorkOrdersButton = Button {
 }
 available = 36
 Count = EditBox {
 }
 CapacitiveDisplay = Frame {
 }
 SetPortraitAtlasRaw = <function> defined @Blizzard_SharedXML/PortraitFrame.lua:88
 Inset = GarrisonCapacitiveDisplayFrameInset {
 }
}
success = 1
_ = 36
(for generator) = <function> defined =[C]:-1
(for state) = FontString {
 1 = Button {
 }
 0 = <userdata>
}
(for control) = 0
_ = 0
btn = <userdata>
(*temporary) = 0
(*temporary) = <userdata>
(*temporary) = nil
(*temporary) = true
(*temporary) = "attempt to index local 'btn' (a userdata value)"
_G = <table> {
 ERR_OUT_OF_CHI = "Not enough chi"
 DH_HAVOC_CORE_ABILITY_2 = "Strong melee attack that consumes Fury. If it critical strikes, some Fury is refunded."
 GetTrainerServiceTypeFilter = <function> defined =[C]:-1
 UNIT_NAMES_COMBATLOG_TOOLTIP = "Color unit names."
 SetTrainerServiceTypeFilter = <function> defined =[C]:-1
 LE_GAME_ERR_CHAT_RAID_RESTRICTED_TRIAL = 780
 SPELL_FAILED_CUSTOM_ERROR_71 = "This partygoer wants to dance with you."
 LE_GAME_ERR_PET_SPELL_TARGETS_DEAD = 419
 BT4Button58 = BT4Button58 {
 }
 rallachiverepl4 = "List of all achievements in"
 PawnItemComparer = <function> defined @Pawn/Pawn.lua:4137
 MultiBarLeftButton7 = MultiBarLeftButton7 {
 }
 LFGListInviteDialog_OnEvent = <function> defined @Blizzard_GroupFinder/Mainline/LFGList.lua:3058
 MerchantItem6AltCurrencyFrameItem1Text = MerchantItem6AltCurrencyFrameItem1Text {
 }
 BtWQuestsFrameChainTooltipTexture2 = BtWQuestsFrameChainTooltipTexture2 {
 }
 ArenaEnemyMatchFrame5PetFrameDropDownMiddle = ArenaEnemyMatchFrame5PetFrameDropDownMiddle {
 }
 BINDING_NAME_NAMEPLATES = "Show Enemy Nameplates"
 INSTANCE_UNAVAILABLE_OTHER_TEMPORARILY_DISABLED = "%s cannot enter. This instance is temporarily disabled."
 MultiBarBottomRightButton8Shine5 = MultiBarBottomRightButton8