[Mists Classic] API error on 5.5.3 client `GetNumTalentTabs`

[Road-block]

1x tdInspect/Core/Encoder.lua:319: Script_GetNumTalentTabs: API unsupported in this version of World of Warcraft.
[tail call]: ?
[C]: in function 'GetNumTalentTabs'
[tdInspect/Core/Encoder.lua]:319: in function 'PackTalent'
[tdInspect/Core/Encoder.lua]:349: in function 'PackTalents'
[tdInspect/Core/Inspect.lua]:808: in function 'SaveCurrentCharacter'
[tdInspect/Core/Inspect.lua]:123: in function <tdInspect/Core/Inspect.lua:104>

Shows on login.

[Road-block]

Yeah there's more errors happening after load when you actually try to inspect someone.
This is not functional in Mists Classic despite it packages for it.

2x ...dOns/Blizzard_InspectUI/Mists/InspectTalentFrame.lua:107: GetGlyphSocketInfo() could not find the inspect unit.
[Blizzard_InspectUI/Mists/InspectTalentFrame.lua]:107: in function 'UpdateSlot'
[Blizzard_InspectUI/Mists/InspectTalentFrame.lua]:50: in function 'UpdateGlyphs'
[Blizzard_InspectUI/Mists/InspectTalentFrame.lua]:29: in function 'OnClear'
[Blizzard_InspectUI/Mists/InspectTalentFrame.lua]:20: in function <...dOns/Blizzard_InspectUI/Mists/InspectTalentFrame.lua:8>
[C]: in function 'CameraOrSelectOrMoveStop'
[CAMERAORSELECTORMOVE]:4: in function <[string "CAMERAORSELECTORMOVE"]:1>

Locals:
self = InspectTalentFrameGlyph1 {
 elapsed = 0
 glyphID = 490
 tintElapsed = 0
 ring = InspectTalentFrameGlyph1Ring {
 }
 highlight = InspectTalentFrameGlyph1Highlight {
 }
 glyph = InspectTalentFrameGlyph1Glyph {
 }
 glyphType = 2
}
clear = true
id = 1
talentGroup = 1

2x bad argument #1 to '?' (Usage: local achievementPoints, numMembers, guildName, realmName = C_PaperDollInfo.GetInspectGuildInfo(unitString))
[Blizzard_InspectUI/Cata/InspectGuildFrame.lua]:20: in function 'Update'
[Blizzard_InspectUI/Cata/InspectGuildFrame.lua]:16: in function <Blizzard_InspectUI/Cata/InspectGuildFrame.lua:14>
[C]: ?
[C]: in function 'SetShown'
[tdInspect/UI/InspectFrame.lua]:300: in function <tdInspect/UI/InspectFrame.lua:296>
[tail call]: ?
[Blizzard_InspectUI/TBC/Blizzard_InspectUI.lua]:122: in function <Blizzard_InspectUI/TBC/Blizzard_InspectUI.lua:120>

Locals:
self = InspectGuildFrame {
 guildNumMembers = InspectGuildFrameGuildNumMembers {
 }
 guildLevel = InspectGuildFrameGuildLevel {
 }
 guildName = InspectGuildFrameGuildName {
 }
 Points = Frame {
 }
}

16x tdInspect/UI/PaperDoll.lua:91: bad argument #5 to 'SetFormattedText' (string expected, got no value)
[tdInspect/UI/PaperDoll.lua]:91: in function 'UpdateInfo'
[tdInspect/UI/PaperDoll.lua]:53: in function <tdInspect/UI/PaperDoll.lua:49>
[C]: ?
[C]: in function 'Show'
[Blizzard_UIParentPanelManager/Classic/UIParentPanelManager.lua]:592: in function 'SetUIPanel'
[Blizzard_UIParentPanelManager/Classic/UIParentPanelManager.lua]:437: in function 'ShowUIPanel'
[Blizzard_UIParentPanelManager/Classic/UIParentPanelManager.lua]:304: in function <...IParentPanelManager/Classic/UIParentPanelManager.lua:300>
[C]: in function 'SetAttribute'
[Blizzard_UIParentPanelManager/Classic/UIParentPanelManager.lua]:1082: in function <...IParentPanelManager/Classic/UIParentPanelManager.lua:1061>
[C]: ?
[C]: ?
[tdInspect/Libs/LibShowUIPanel-1.0-7/LibShowUIPanel-1.0.lua]:200: in function <...spect/Libs/LibShowUIPanel-1.0/LibShowUIPanel-1.0.lua:189>
...[tdInspect/Core/Inspect.lua]:477: in function 'CheckQuery'
[tdInspect/Core/Inspect.lua]:472: in function <tdInspect/Core/Inspect.lua:390>
[tail call]: ?
[C]: in function 'InspectUnit'
[Blizzard_ChatFrameBase/Shared/SlashCommands.lua]:588: in function '?'
[Blizzard_ChatFrameBase/Classic/ChatFrame.lua]:2786: in function <Blizzard_ChatFrameBase/Classic/ChatFrame.lua:2732>
[C]: in function 'ChatEdit_ParseText'
[Blizzard_ChatFrameBase/Classic/ChatFrame.lua]:2438: in function 'ChatEdit_SendText'
[Blizzard_ChatFrameBase/Classic/ChatFrame.lua]:2474: in function 'ChatEdit_OnEnterPressed'
[*ChatFrame.xml:120_OnEnterPressed]:1: in function <[string "*ChatFrame.xml:120_OnEnterPressed"]:1>

Locals:
self = InspectPaperDollFrame {
 LevelText = InspectLevelText {
 }
 ModelFrame = Frame {
 }
 buttons = <table> {
 }
}
level = 90
class = "Warrior"
race = "Gnome"
classFileName = "WARRIOR"
Inspect = <table> {
 glyphs = <table> {
 }
 modules = <table> {
 }
 waitingItems = <table> {
 }
 defaultModuleState = true
 itemLevelCalculator = <table> {
 }
 enabledState = true
 stepTimer = <table> {
 }
 defaultModuleLibraries = <table> {
 }
 name = "tdInspect_Inspect"
 unitName = "Shortbush-Hoptallus"
 unit = "target"
 talents = <table> {
 }
 db = <table> {
 }
 userCache = <table> {
 }
 baseName = "tdInspect"
 orderedModules = <table> {
 }
 moduleName = "Inspect"
}
PLAYER_LEVEL = "Level %s |c%s%s %s|r"
ns = <table> {
 ItemLevelCalculator = <table> {
 }
 RIGHT_MOUSE_BUTTON = "|TInterface\TutorialFrame\UI-Tutorial-Frame:12:12:0:0:512:512:10:65:330:385|t"
 GetClassFileName = <table> {
 }
 GetRaceFileName = <table> {
 }
 ItemSets = <table> {
 }
 Talent = <table> {
 }
 Ala = <table> {
 }
 Glyphes = <table> {
 }
 Talents = <table> {
 }
 MAX_LEVEL = 90
 ItemEnchants = <table> {
 }
 Glyph = <table> {
 }
 Pool = <table> {
 }
 ItemGemOrder = <table> {
 }
 VERSION = 20602
 DROPDOWN_SEPARATOR = <table> {
 }
 Addon = <table> {
 }
 Events = <table> {
 }
 UI = <table> {
 }
 CUSTOM_ITEM_QUALITY_COLORS = <table> {
 }
 char = <table> {
 }
 db = <table> {
 }
 GetRaceLocale = <table> {
 }
 SpecGear = <table> {
 }
 L = <table> {
 }
 Inspect = <table> {
 }
 Encoder = <table> {
 }
 GlyphSlots = <table> {
 }
 GetClassLocale = <table> {
 }
 SpellGlyphes = <table> {
 }
 BUILD = 5
 LEFT_MOUSE_BUTTON = "|TInterface\TutorialFrame\UI-Tutorial-Frame:12:12:0:0:512:512:10:65:228:283|t"
}

33x tdInspect/Tooltip/FixItemSet.lua:37: attempt to index field '?' (a nil value)
[tdInspect/Tooltip/FixItemSet.lua]:37: in function 'FixItemSets'
[tdInspect/Api.lua]:150: in function 'FixInspectItemTooltip'
[tdInspect/Api.lua]:427: in function 'ShowBlizzardInventoryItem'
[tdInspect/UI/SlotItem.lua]:157: in function <tdInspect/UI/SlotItem.lua:154>

Locals:
tip = GameTooltip {
 tip = GameTooltip {
 }
 minor = 9
 r = <table> {
 }
 m = <table> {
 }
 l = <table> {
 }
}
id = 87197
setId = 1145
setName = "Plate of Resounding Rings"
equippedCount = 2
equippedSetItems = <table> {
 INVTYPE_HEAD = 87199
 INVTYPE_CHEST = 87197
}
setNameLinePattern = "^(Plate of Resounding Rings.+)(%d+)/(%d+)(.+)$"
setLine = nil
firstBonusLine = nil
(*temporary) = nil
(*temporary) = <table> {
 INVTYPE_HEAD = 87199
 INVTYPE_CHEST = 87197
}
(*temporary) = 1
(*temporary) = 18
(*temporary) = nil
(*temporary) = <table> {
 glyphs = <table> {
 }
 modules = <table> {
 }
 waitingItems = <table> {
 }
 defaultModuleState = true
 itemLevelCalculator = <table> {
 }
 enabledState = true
 stepTimer = <table> {
 }
 defaultModuleLibraries = <table> {
 }
 name = "tdInspect_Inspect"
 unitName = "Sågen-Shek'zeer"
 unit = "target"
 talents = <table> {
 }
 db = <table> {
 }
 userCache = <table> {
 }
 baseName = "tdInspect"
 orderedModules = <table> {
 }
 moduleName = "Inspect"
}
(*temporary) = 18
(*temporary) = nil
(*temporary) = <table> {
 1 = "item:87199::95344:76681:::::90::73::::::::"
 2 = "item:90509::::::::90:132:73::::::::"
 3 = "item:96618:4805:76617::::::90:156:73::::::::"
 4 = "item:44694::::::::90::73::::::::"
 5 = "item:87197:4419:76664:76664:::::90::73::::::::"
 6 = "item:96446::76664:76663:76664::::90::73::::::::"
 7 = "item:96733:4823:76697:76641:::::90::73::::::::"
 8 = "item:90507:4429:76664::::::90::73::::::::"
 9 = "item:96848:4411:76697::::-336:974194611:90::73::::::::"
 10 = "item:96732:4432:76659::::::90:139:73::::::::"
 11 = "item:95141:4807:::::::90:165:73::::::::"
 12 = "item:96377:4807:::::::90:157:73::::::::"
 13 = "item:94508::::::::90::73::::::::"
 14 = "item:95799::::::::90::73::::::::"
 15 = "item:96480:4424:76664::::::90::73::::::::"
 16 = "item:87173:4444:89881:76663:::::90:168:73::::::::"
 17 = "item:95878:4993:76664::::::90:122:73::::::::"
}
(*temporary) = "target"
(*temporary) = 18
(*temporary) = <table> {
 1 = "item:87199::95344:76681:::::90::73::::::::"
 2 = "item:90509::::::::90:132:73::::::::"
 3 = "item:96618:4805:76617::::::90:156:73::::::::"
 4 = "item:44694::::::::90::73::::::::"
 5 = "item:87197:4419:76664:76664:::::90::73::::::::"
 6 = "item:96446::76664:76663:76664::::90::73::::::::"
 7 = "item:96733:4823:76697:76641:::::90::73::::::::"
 8 = "item:90507:4429:76664::::::90::73::::::::"
 9 = "item:96848:4411:76697::::-336:974194611:90::73::::::::"
 10 = "item:96732:4432:76659::::::90:139:73::::::::"
 11 = "item:95141:4807:::::::90:165:73::::::::"
 12 = "item:96377:4807:::::::90:157:73::::::::"
 13 = "item:94508::::::::90::73::::::::"
 14 = "item:95799::::::::90::73::::::::"
 15 = "item:96480:4424:76664::::::90::73::::::::"
 16 = "item:87173:4444:89881:76663:::::90:168:73::::::::"
 17 = "item:95878:4993:76664::::::90:122:73::::::::"
}
(*temporary) = <table> {
}
(*temporary) = "equips"
(*temporary) = <table> {
 1 = "item:87199::95344:76681:::::90::73::::::::"
 2 = "item:90509::::::::90:132:73::::::::"
 3 = "item:96618:4805:76617::::::90:156:73::::::::"
 4 = "item:44694::::::::90::73::::::::"
 5 = "item:87197:4419:76664:76664:::::90::73::::::::"
 6 = "item:96446::76664:76663:76664::::90::73::::::::"
 7 = "item:96733:4823:76697:76641:::::90::73::::::::"
 8 = "item:90507:4429:76664::::::90::73::::::::"
 9 = "item:96848:4411:76697::::-336:974194611:90::73::::::::"
 10 = "item:96732:4432:76659::::::90:139:73::::::::"
 11 = "item:95141:4807:::::::90:165:73::::::::"
 12 = "item:96377:4807:::::::90:157:73::::::::"
 13 = "item:94508::::::::90::73::::::::"
 14 = "item:95799::::::::90::73::::::::"
 15 = "item:96480:4424:76664::::::90::73::::::::"
 16 = "item:87173:4444:89881:76663:::::90:168:73::::::::"
 17 = "item:95878:4993:76664::::::90:122:73::::::::"
}
(*temporary) = "Sågen-Shek'zeer"
(*temporary) = 4
(*temporary) = 6
(*temporary) = 1
(*temporary) = 0
(*temporary) = "attempt to index field '?' (a nil value)"
ns = <table> {
 ItemLevelCalculator = <table> {
 }
 RIGHT_MOUSE_BUTTON = "|TInterface\TutorialFrame\UI-Tutorial-Frame:12:12:0:0:512:512:10:65:330:385|t"
 GetClassFileName = <tabl