WowAce

What exactly is wrong?

I get this error

What steps will reproduce the problem?
1. Login

2. Open the toy/pet/mount window

3.

What version of the product are you using?

7.2.5.1 

Any additional information?

If you get an error, please paste the ENTIRE thing here:

{

 ["message"] = "Interface\\AddOns\\Collectinator\\Constants.lua:551: attempt to call field '?' (a nil value)",
["time"] = "2018/09/10 09:33:43",
["locals"] = "_G = <table> {\n UpdateOnBarHighlightMarksBySpell = <function> defined @Interface\\FrameXML\\ActionButton.lua:70\n ERR_OUT_OF_CHI = \"Not enough chi\"\n DH_HAVOC_CORE_ABILITY_2 = \"Strong melee attack that consumes Fury. If it critical strikes, some Fury is refunded.\"\n MultiCastActionButton6Cooldown = MultiCastActionButton6Cooldown {\n }\n MerchantItem9ItemButtonStock = MerchantItem9ItemButtonStock {\n }\n GetTrainerServiceTypeFilter = <function> defined =[C]:-1\n UNIT_NAMES_COMBATLOG_TOOLTIP = \"Color unit names.\"\n SetTrainerServiceTypeFilter = <function> defined =[C]:-1\n StoreMicroButtonAlertGlowBottom = StoreMicroButtonAlertGlowBottom {\n }\n BT4Button46Shine5 = BT4Button46Shine5 {\n }\n SPELL_FAILED_CUSTOM_ERROR_71 = \"This partygoer wants to dance with you.\"\n LE_GAME_ERR_PET_SPELL_TARGETS_DEAD = 398\n ERROR_CLUB_TICKET_COUNT_AT_MAX_COMMUNITY = \"Can't create any more invite links for this community.\"\n RecruitAFriendFrame = RecruitAFriendFrame {\n }\n CompactUnitFrameProfilesGeneralOptionsFrameHealthTextDropdownButtonNormalTexture = CompactUnitFrameProfilesGeneralOptionsFrameHealthTextDropdownButtonNormalTexture {\n }\n TutorialFrameLeft19 = TutorialFrameLeft19 {\n }\n MultiCastActionButton2Cooldown = MultiCastActionButton2Cooldown {\n }\n ERR_TRADE_EQUIPPED_BAG = \"You can't trade equipped bags.\"\n PVP_RANK_6_1 = \"Corporal\"\n BOOKTYPE_PROFESSION = \"professions\"\n InterfaceOptionsNamesPanelUnitNameplatesShowAll = InterfaceOptionsNamesPanelUnitNameplatesShowAll {\n }\n VideoOptionsFrameDefaults = VideoOptionsFrameDefaults {\n }\n MerchantItem1AltCurrencyFrameItem1Text = MerchantItem1AltCurrencyFrameItem1Text {\n }\n ClassHallTalentInset = ClassHallTalentInset {\n }\n OPTION_TOOLTIP_ACTION_BUTTON_USE_KEY_DOWN = \"Action button keybinds will respond on key down, rather than on key up.\"\n BINDING_NAME_NAMEPLATES = \"Show Enemy Name Plates\"\n INSTANCE_UNAVAILABLE_OTHER_TEMPORARILY_DISABLED = \"%s cannot enter. This instance is temporarily disabled.\"\n MultiBarBottomRightButton8Shine5 = MultiBarBottomRightButton8Shine5 {\n }\n IsReferAFriendLinked = <function> defined =[C]:-1\n MAIL_LETTER_TOOLTIP = \"Click to make a permanent\ncopy of this letter.\"\n UnitFrameManaBar_UnregisterDefaultEvents = <function> defined @Interface\\FrameXML\\UnitFrame.lua:787\n PaperDollTitlesPaneButton10BgTop = PaperDollTitlesPaneButton10BgTop {\n }\n DUNGEON_FLOOR_UPPERBLACKROCKSPIRE3 = \"Hall of Blackhand\"\n CHAT_CONFIG_OTHER_COMBAT = <table> {\n }\n BT4Button22Flash = BT4Button22Flash {\n }\n FCFDockOverflowButton_OnClick = <function> defined @Interface\\FrameXML\\FloatingChatFrame.lua:2372\n TutorialFrameRight19 = TutorialFrameRight19 {\n }\n ChatFrame6EditBoxFocusMid = ChatFrame6EditBoxFocusMid {\n }\n BN_UNABLE_TO_RESOLVE_NAME = \"Unable to whisper '%s'. Blizzard services may be unavailable.\"\n LE_GAME_ERR_RECRUIT_A_FRIEND_FAILED = 947\n CompactRaidFrameManagerDisplayFrameHiddenModeToggleTopRight = CompactRaidFrameManagerDisplayFrameHiddenModeToggleTopRight {\n }\n LFGTeleport = <function> defined =[C]:-1\n LE_GAME_ERR_ONLY_ONE_QUIVER = 32\n SpellButton6Cooldown = SpellButton6Cooldown {\n }\n SLASH_LibQTip1 = \"/qtip\"\n ToggleEncounterJournal = <function> defined @Interface\\FrameXML\\UIParent.lua:910\n FishingOptionsFrameTab4TabardEmblem = FishingOptionsFrameTab4TabardEmblem {\n }\n LOSS_OF_CONTROL_DISPLAY_FEAR = \"Feared\"\n Graphics_QualityText = Graphics_QualityText {\n }\n TalentMicroButtonAlertShadowTopLeft = TalentMicroButtonAlertShadowTopLeft {\n }\n OverrideActionBarButton6Shine11 = OverrideActionBarButton6Shine11 {\n }\n ROGUE_COMBAT_CORE_ABILITY_4 = \"Melee attack that spends Combo Points.\"\n JoinSkirmish = <function> defined =[C]:-1\n Advanced_GraphicsAPIDropDownButtonHighlightTexture = Advanced_GraphicsAPIDropDownButtonHighlightTexture {\n }\n MultiBarRightButton7Shine9 = MultiBarRightButton7Shine9 {\n }\n BankFrameItem17SearchOverlay = BankFrameItem17SearchOverlay {\n }\n LFGListSearchPanelScrollFrameButton10BottomRight = LFGListSearchPanelScrollFrameButton10BottomRight {\n }\n DMG_LCD = \"DMG\"\n RaidGraphics_EnvironmentalDetailSlider = RaidGraphics_EnvironmentalDetailSlider {\n }\n GuildNewsFiltersFrameText = GuildNewsFiltersFrameTex",
["stack"] = "Interface\\AddOns\\Collectinator\\Constants.lua:551: in main chunk\n[C]: in function `LoadAddOn'\nInterface\\FrameXML\\UIParent.lua:446: in function `UIParentLoadAddOn'\nInterface\\FrameXML\\UIParent.lua:612: in function <Interface\\FrameXML\\UIParent.lua:611>\n[C]: in function `CollectionsJournal_LoadUI'\nInterface\\FrameXML\\UIParent.lua:952: in function `SetCollectionsJournalShown'\nInterface\\FrameXML\\UIParent.lua:946: in function `ToggleCollectionsJournal'\n[string \"TOGGLECOLLECTIONSPETJOURNAL\"]:1: in function <[string \"TOGGLECOLLECTIONSPETJOURNAL\"]:1>",
["session"] = 399,
["counter"] = 2,
}, -- [3]