Getting spammed by LUA errors which seem to originate from questie.
Version installed: 8.7.0
Game version: Classic WotLK 3.4.2
Bugsack report:

3011x invalid key to 'next'
[string "=[C]"]: in function next' [string "@Questie/Modules/Quest/QuestieQuest.lua"]:303: in function ?'
[string "@Questie/Modules/Quest/QuestieQuest.lua"]:330: in function <Questie/Modules/Quest/QuestieQuest.lua:329>

Locals:
(*temporary) =

{
13610 = {
}
}
(*temporary) = 13606

Anything known about this?

Also getting:

208x Questie/Modules/Quest/QuestieQuest.lua:746: attempt to get length of a nil value
[string "@Questie/Modules/Quest/QuestieQuest.lua"]:746: in function AddFinisher' [string "@Questie/Modules/Quest/QuestieQuest.lua"]:1245: in function PopulateObjectiveNotes'
[string "@Questie/Modules/Quest/QuestieQuest.lua"]:656: in function `GetAllQuestIds'
[string "@Questie/Modules/Quest/QuestEventHandler.lua"]:483: in function <...eQuestie/Modules/Quest/QuestEventHandler.lua:480>

Locals:
self =

{
autoBlacklist = {
}
ShouldShowQuestNotes = defined @Questie/Modules/Quest/QuestieQuest.lua:347
AcceptQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:370
HideQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:359
ToggleNotes = defined @Questie/Modules/Quest/QuestieQuest.lua:100
PopulateQuestLogInfo = defined @Questie/Modules/Quest/QuestieQuest.lua:1274
AbandonedQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:493
SmoothReset = defined @Questie/Modules/Quest/QuestieQuest.lua:240
PopulateObjectiveNotes = defined @Questie/Modules/Quest/QuestieQuest.lua:1235
availableQuests = {
}
UnhideQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:364
GetAllQuestIdsNoObjectives = defined @Questie/Modules/Quest/QuestieQuest.lua:669
DrawDailyQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:1636
GetAllQuestIds = defined @Questie/Modules/Quest/QuestieQuest.lua:634
PopulateObjective = defined @Questie/Modules/Quest/QuestieQuest.lua:866
CompleteQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:469
AddFinisher = defined @Questie/Modules/Quest/QuestieQuest.lua:718
ResetAutoblacklistCategory = defined @Questie/Modules/Quest/QuestieQuest.lua:91
UpdateObjectiveNotes = defined @Questie/Modules/Quest/QuestieQuest.lua:694
CalculateAndDrawAvailableQuestsIterative = defined @Questie/Modules/Quest/QuestieQuest.lua:1625
UpdateQuest = defined @Questie/Modules/Quest/QuestieQuest.lua:535
Initialize = defined @Questie/Modules/Quest/QuestieQuest.lua:82
GetAllLeaderBoardDetails = defined @Questie/Modules/Quest/QuestieQuest.lua:1369
SetObjectivesDirty = defined @Questie/Modules/Quest/QuestieQuest.lua:624
ClearAllNotes = defined @Questie/Modules/Quest/QuestieQuest.lua:199
private = {
}
}
quest = {
startedBy = {
}
IsTrivial = defined @Questie/Database/QuestieDB.lua:677
questFlags = 8
level = 80
requiredSpell = 0
nextQuestInChain = 0
IsRepeatable = false
requiredClasses = 0
questLevel = 80
Id = 13106
specialFlags = 0
parentQuest = 0
name = "Blackwatch"
IsComplete = defined @Questie/Database/QuestieDB.lua:672
requiredLevel = 77
objectives = {
}
requiredSpecialization = 0
Description = {
}
reputationReward = {
}
requiredRaces = 0
ObjectiveData = {
}
trackTimedQuest = false
sourceItemId = 0
Zone = 210
LocalizedName = "Blackwatch"
Finisher = {
}
objectivesText = {
}
SpecialObjectives = {
}
finishedBy = {
}
zoneOrSort = 210
Starts = {
}
preQuestSingle = {
}
Objectives = {
}
}
questId = 13106
finisher = {
subName = ""
questEnds = {
}
maxLevel = 80
maxLevelHealth = 12600
npcFlags = 3
zoneID = 210
type = "monster"
friendlyToFaction = "AH"
id = 30631
friendly = true
factionID = 2050
minLevel = 80
minLevelHealth = 12600
spawns = {
}
questStarts = {
}
name = "Darkrider Arly"
rank = 0
}
key = "m_30631"
(*temporary) = nil
(*temporary) = {
RegisterQuestStartTooltip = defined @Questie/Modules/Tooltips/Tooltip.lua:52
lastGametooltipType = "item"
lastGametooltip = "|cFF0070ddErathiæll, Herald of the Titans|r"
lastFrameName = "GameTooltip"
GetTooltip = defined @Questie/Modules/Tooltips/Tooltip.lua:162
RemoveQuest = <functi

Duplicate of #4972...

...fixed in #4981.

Will be merged with master and a new release be out soon.