Interface gone missing in pre-patch

Pre-patch must have broken something as the interface is now gone.
Bugsack gives the following error:

2x ...ls/ClassTalents/Blizzard_ClassTalentImportExport.lua:108: attempt to index field 'activeEntry' (a nil value)
[string "@Blizzard_PlayerSpells/ClassTalents/Blizzard_ClassTalentImportExport.lua"]:108: in function `GetActiveEntryIndex'
[string "@Blizzard_PlayerSpells/ClassTalents/Blizzard_ClassTalentImportExport.lua"]:93: in function `WriteLoadoutContent'
[string "@ImprovedTalentLoadouts/ImprovedTalentLoadouts.lua"]:456: in function <...ns/ImprovedTalentLoadouts/ImprovedTalentLoadouts.lua:443>
[string "@ImprovedTalentLoadouts/ImprovedTalentLoadouts.lua"]:480: in function `InitializeTalentLoadouts'
[string "@ImprovedTalentLoadouts/ImprovedTalentLoadouts.lua"]:160: in function <...ns/ImprovedTalentLoadouts/ImprovedTalentLoadouts.lua:150>
[string "=[C]"]: ?
[string "=[C]"]: in function `LoadAddOn'
[string "@Blizzard_UIParent/Mainline/UIParent.lua"]:422: in function `UIParentLoadAddOn'
[string "@Blizzard_UIParent/Mainline/UIParent.lua"]:521: in function `PlayerSpellsFrame_LoadUI'
[string "@Blizzard_FrameXMLUtil/Mainline/PlayerSpellsUtil.lua"]:3: in function <.../Blizzard_FrameXMLUtil/Mainline/PlayerSpellsUtil.lua:1>
[string "@Blizzard_FrameXMLUtil/Mainline/PlayerSpellsUtil.lua"]:111: in function `TogglePlayerSpellsFrame'
[string "@Blizzard_FrameXMLUtil/Mainline/PlayerSpellsUtil.lua"]:147: in function `ToggleClassTalentOrSpecFrame'
[string "TOGGLETALENTS"]:1: in function <[string "TOGGLETALENTS"]:1>

Locals:
self = Frame {
 HeroTalentsContainer = Frame {
 }
 commitFlashAnims = <table> {
 }
 leftPadding = 0
 buttonSize = 40
 disabledOverlayAlpha = 0.300000
 treeIsDirty = true
 LoadSystem = Frame {
 }
 BlackBG = Texture {
 }
 configurationInfo = <table> {
 }
 FxModelScene = ModelScene {
 }
 talentTreeID = 658
 AirParticlesClose = Texture {
 }
 enableCommitCastBar = true
 AnimationHolder = Frame {
 }
 basePanOffsetX = 19
 OverlayBackgroundRight = Texture {
 }
 Clouds1 = Texture {
 }
 ActivationClassFx4 = Texture {
 }
 definitionInfoCache = <table> {
 }
 ButtonsParent = Frame {
 }
 bitWidthHeaderVersion = 8
 enableCommitSpinner = true
 CommitSpinner = Frame {
 }
 nodeInfoCache = <table> {
 }
 Textures = <table> {
 }
 rightPadding = 0
 maximumCommitTime = 6
 heroSpecSelectionDialog = HeroTalentsSelectionDialog {
 }
 ActivationExpandFx = Texture {
 }
 SearchBox = EditBox {
 }
 variablesLoaded = true
 isInspecting = false
 searchController = <table> {
 }
 Event = <table> {
 }
 configID = 6366
 configIDToName = <table> {
 }
 configIDs = <table> {
 }
 PvPTalentList = Frame {
 }
 dirtyNodeIDSet = <table> {
 }
 panOffsetX = 0
 enableCommitEndFlash = true
 dirtySubTreeIDSet = <table> {
 }
 subTreeInfoCache = <table> {
 }
 BackgroundFlash = Texture {
 }
 condInfoCache = <table> {
 }
 panOffsetY = 0
 basePanOffsetY = -1
 topPadding = 0
 entryInfoCache = <table> {
 }
 dirtyDefinitionIDSet = <table> {
 }
 buttonsWithDirtyEdges = <table> {
 }
 nodeIDToButton = <table> {
 }
 gatePool = <table> {
 }
 InspectCopyButton = Button {
 }
 ActivationTitansFX = Texture {
 }
 talentButtonCollection = <table> {
 }
 callbackTables = <table> {
 }
 areClassTalentCommitCompleteVisualsActive = false
 initialBasePanOffsetY = -30
 initialBasePanOffsetX = 49
 backgroundAnims = <table> {
 }
 areBaseCommitVisualsActive = false
 PvPTalentSlotTray = Frame {
 }
 WarmodeButton = Button {
 }
 UndoButton = Button {
 }
 ResetButton = Button {
 }
 bottomPadding = 82
 edgePool = <table> {
 }
 SearchPreviewContainer = Frame {
 }
 SpecCurrencyDisplay = Frame {
 }
 ClassCurrencyDisplay = Frame {
 }
 FullMask = MaskTexture {
 }
 talentDislayFramePool = <table> {
 }
 ActivationClassFx3 = Texture {
 }
 ActivationClassFx2 = Texture {
 }
 ActivationClassFx = Texture {
 }
 ActivationExpandFxMask = MaskTexture {
 }
 AirParticlesFar = Texture {
 }
 Clouds2 = Texture {
 }
 OverlayBackgroundMidMask = MaskTexture {
 }
 OverlayBackgroundMid = Texture {
 }
 OverlayBackgroundRightMask = MaskTexture {
 }
 specBackgrounds = <table> {
 }
 Background = Texture {
 }
 BottomBar = Texture {
 }
 dirtyCondIDSet = <table> {
 }
 commitSound = 207767
 dirtyEntryIDSet = <table> {
 }
 CommitUpdateReasons = <table> {
 }
 areClassTalentCommitVisualsActive = false
 excludeStagedChangesForCurrencies = false
 classActivationTextures = <table> {
 }
 treeInfoDirty = false
 ApplyButton = Button {
 }
 bitWidthRanksPurchased = 6
 SelectionChoiceFrame = Frame {
 }
 VisualsUpdateReasons = <table> {
 }
 enableZoomAndPan = true
 bitWidthSpecID = 16
 DisabledOverlay = Frame {
 }
}
treeNode = <table> {
 meetsEdgeRequirements = false
 entryIDs = <table> {
 }
 posX = 5100
 ID = 62092
 canPurchaseRank = false
 currentRank = 1
 visibleEdges = <table> {
 }
 isVisible = true
 posY = 6900
 entryIDsWithCommittedRanks = <table> {
 }
 maxRanks = 1
 isCascadeRepurchasable = false
 flags = 1
 conditionIDs = <table> {
 }
 type = 2
 activeRank = 1
 groupIDs = <table> {
 }
 isAvailable = true
 ranksPurchased = 1
 canRefundRank = true
}
(for state) = <table> {
 1 = 115878
 2 = 125817
}
(for control) = 1
i = 1
entryID = 115878
(*temporary) = nil
(*temporary) = "attempt to index field 'activeEntry' (a nil value)"
Lardeck / ImprovedTalentLoadouts

Interface gone missing in pre-patch #22
