user:/AddOns/HarvensImprovedSkillsWindow/HarvensImprovedSkillsWindow.lua:42: attempt to index a nil value
|rstack traceback:
user:/AddOns/HarvensImprovedSkillsWindow/HarvensImprovedSkillsWindow.lua:42: in function 'HarvensImprovedSkillsWindow.AbilityOnMouseEnter'

2021-06-19T07:25:11.315+01:00 |cff0000Lua Error: user:/AddOns/HarvensImprovedSkillsWindow/HarvensImprovedSkillsWindow.lua:229: function expected instead of nil
stack traceback:
user:/AddOns/HarvensImprovedSkillsWindow/HarvensImprovedSkillsWindow.lua:229: in function 'RefreshSkillLineInfo'
<Locals> self = [table:1]{showAdvisorInAdvancedMode = F}, ctrl = ud, skillLineData = [table:2]{isActive = T, craftingGrowthType = 0, isAdvised = F, nextRankXP = 1459938, isWerewolf = F, name = "Aedric Spear", isNew = F, currentRank = 50, orderingIndex = 1, lastRankXP = 1352497, isDiscovered = T, canMarkNew = T, skillLineIndex = 1, id = 22, currentXP = 1459938, unlockText = ""}, skillType = 1, skillIndex = 1, lastXP = 1352497, nextXP = 1459938, currentXP = 1459938, maxRank = 50, startXP = 1352497, nextStartXP = 1459938, _ = "Aedric Spear", lineRank = 50 </Locals>
EsoUI/Ingame/Skills/Keyboard/ZO_Skills.lua:468: in function 'TreeEntryOnSelected'
<Locals> control = ud, skillLineData = [table:2], selected = T </Locals>
EsoUI/Libraries/ZO_Tree/ZO_Tree.lua:713: in function 'ZO_TreeNode:OnSelected'
<Locals> self = [table:3]{open = F, childrenCurrentHeight = 0, childIndent = 74, childSpacing = -10, openPercentage = 0, childrenHeight = 0, selectSound = "Click_TreeSubcategory", selected = F, enabled = T} </Locals>
EsoUI/Libraries/ZO_Tree/ZO_Tree.lua:422: in function 'ZO_Tree:SelectNode'
<Locals> self = [table:4]{width = 300, defaultSpacing = -10, defaultIndent = 74, suspendAnimations = T, autoSelectChildOnNodeOpen = F, exclusive = T, enabled = T}, treeNode = [table:3], bringParentIntoView = T </Locals>
EsoUI/Libraries/ZO_Tree/ZO_Tree.lua:103: in function 'ZO_Tree:SelectAnything'
<Locals> self = [table:4], currentNode = [table:3] </Locals>
EsoUI/Libraries/ZO_Tree/ZO_Tree.lua:238: in function 'ZO_Tree:Commit'
<Locals> self = [table:4] </Locals>
EsoUI/Ingame/Skills/Keyboard/ZO_Skills.lua:972: in function 'ZO_SkillsManager:RebuildSkillLineList'
<Locals> self = [table:1] </Locals>
EsoUI/Ingame/Skills/Keyboard/ZO_Skills.lua:483: in function 'cleanFunction'
EsoUI/Libraries/Refresh/Refresh.lua:200: in function 'ZO_OrderedRefreshGroup:TryClean'
<Locals> self = [table:5]{autoCleanMode = "perFrame"} </Locals>
EsoUI/Ingame/Skills/Keyboard/ZO_Skills.lua:990: in function 'ZO_SkillsManager:OnShown'
<Locals> self = [table:1] </Locals>
EsoUI/Ingame/Skills/Keyboard/ZO_Skills.lua:1041: in function 'ZO_Skills_OnEffectivelyShown'
<Locals> self = ud </Locals>
ZO_Skills_EffectivelyShown:3: in function '(main chunk)'
<Locals> self = ud, hidden = F </Locals>
[C]: in function 'SetHidden'
EsoUI/Libraries/ZO_Scene/ZO_SceneFragmentTemplates.lua:122: in function 'ZO_AnimatedSceneFragment:Show'
<Locals> self = [table:6]{state = "showing", duration = 200, animationTemplate = "FadeSceneAnimation", allowShowHideTimeUpdates = F, animationKey = 22}, currentScene = [table:7]{disallowEvaluateTransitionCompleteCount = 1, wasRequestedToShowInGamepadPreferredMode = F, fireCallbackDepth = 0, wasShownInGamepadPreferredMode = F, name = "skills", state = "showing", restoresHUDSceneToggleUIMode = F, restoresHUDSceneToggleGameMenu = F}, animation = ud </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneFragment.lua:162: in function 'ZO_SceneFragment:ShouldBeShown'
<Locals> self = [table:6] </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneFragment.lua:232: in function 'ZO_SceneFragment:Refresh'
<Locals> self = [table:6], asAResultOfSceneStateChange = T, refreshedForScene = [table:7], oldState = "hidden" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:323: in function 'ZO_Scene:RefreshFragmentsHelper'
<Locals> self = [table:7], asAResultOfSceneStateChange = T, i = 14, fragment = [table:6] </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:331: in function 'ZO_Scene:RefreshFragments'
<Locals> self = [table:7], asAResultOfSceneStateChange = T </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:286: in function 'ZO_Scene:SetState'
<Locals> self = [table:7], newState = "showing", oldState = "hidden", name = "skills", AS_A_RESULT_OF_SCENE_STATE_CHANGE = T </Locals>
EsoUI/Ingame/Scenes/InteractScene.lua:95: in function 'ZO_InteractScene:SetState'
<Locals> self = [table:7], newState = "showing" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneManager_Base.lua:213: in function 'ZO_SceneManager_Base:ShowScene'
<Locals> self = [table:8]{hudSceneName = "hud", remoteSceneSequenceNumber = 17, initialized = F, hudUISceneHidesAutomatically = T, numTopLevelShown = 0, exitUIModeOnChatFocusLost = F, fireCallbackDepth = 0, hudUISceneName = "hudui", numRemoteTopLevelShown = 0}, scene = [table:7], sequenceNumber = 17 </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneManager_Leader.lua:291: in function 'ZO_SceneManager_Leader:ShowScene'
<Locals> self = [table:8], scene = [table:7] </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneManager_Leader.lua:374: in function 'ZO_SceneManager_Leader:OnSceneStateHidden'
<Locals> self = [table:8], scene = [table:9]{state = "hidden", disallowEvaluateTransitionCompleteCount = 1, wasRequestedToShowInGamepadPreferredMode = F, fireCallbackDepth = 0, wasShownInGamepadPreferredMode = F, name = "hud", restoresHUDSceneToggleUIMode = F, restoresHUDSceneToggleGameMenu = F}, currentNextScene = [table:7] </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneManager_Base.lua:287: in function 'ZO_SceneManager_Base:OnSceneStateChange'
<Locals> self = [table:8], scene = [table:9], oldState = "hiding", newState = "hidden" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_SceneManager_Leader.lua:321: in function 'ZO_SceneManager_Leader:OnSceneStateChange'
<Locals> self = [table:8], scene = [table:9], oldState = "hiding", newState = "hidden" </Locals>
EsoUI/Ingame/Scenes/IngameSceneManager.lua:374: in function 'ZO_IngameSceneManager:OnSceneStateChange'
<Locals> self = [table:8], scene = [table:9], oldState = "hiding", newState = "hidden" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:277: in function 'ZO_Scene:SetState'
<Locals> self = [table:9], newState = "hidden", oldState = "hiding", name = "hud" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:426: in function 'ZO_Scene:OnTransitionComplete'
<Locals> self = [table:9], nextState = "hidden" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:421: in function 'ZO_Scene:DetermineIfTransitionIsComplete'
<Locals> self = [table:9], nextState = "hidden" </Locals>
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:333: in function 'ZO_Scene:RefreshFragments'
<Locals> self = [table:9], asAResultOfSceneStateChange = T </Locals>|r