AllTheThings/src/Classes/Quests.lua:842: attempt to call field 'UpdateParentProgress' (a nil value)
[string "@AllTheThings/src/Classes/Quests.lua"]:842: in function <AllTheThings/src/Classes/Quests.lua:825>
[string "@AllTheThings/src/Classes/Quests.lua"]:884: in function <AllTheThings/src/Classes/Quests.lua:862>
[string "@AllTheThings/src/Classes/Quests.lua"]:1688: in function `?'
[string "@AllTheThings/src/base.lua"]:253: in function <AllTheThings/src/base.lua:253>

Locals:
questID = 441
searchResults =

{
1 = {
}
}
(for generator) = defined =[C]:-1
(for state) = {
1 = {
}
}
(for control) = 1
i = 1
result = {
rwp = 40003
maps = {
}
r = 1
parent = {
}
coords = {
}
providers = {
}
qgs = {
}
sourceQuests = {
}
lvl = 10
visible = true
questID = 441
}
(*temporary) = nil
(*temporary) = {
rwp = 40003
maps = {
}
r = 1
parent = {
}
coords = {
}
providers = {
}
qgs = {
}
sourceQuests = {
}
lvl = 10
visible = true
questID = 441
}
(*temporary) = "attempt to call field 'UpdateParentProgress' (a nil value)"
SearchForField = defined @AllTheThings/src/Cache.lua:675
app = {
CreatePetType = defined @AllTheThings/src/Classes/base.lua:488
SetScript = defined @AllTheThings/src/base.lua:273
SpellNameToSpellID = {
}
ShowItemCompareTooltips = defined @AllTheThings/src/Modules/Tooltip.lua:930
CreateHash = defined @AllTheThings/src/Classes/base.lua:42
SpellIDToSkillID = {
}
PrintDebug = defined @AllTheThings/src/base.lua:65
GenerateSourcePath = defined @AllTheThings/src/Cache.lua:1046
ToggleMainList = defined @AllTheThings/src/UI/Windows/Prime.lua:37
CreateClassInstance = defined @AllTheThings/src/Classes/base.lua:275
BuildFlatSearchResponse = defined @AllTheThings/src/UI/Classic Window Logic.lua:2362
CloneObject = defined @AllTheThings/src/Classes/base.lua:339
IsComplete = defined @AllTheThings/classic/ATT-Classic.lua:337
SearchForField = defined @AllTheThings/src/Cache.lua:675
DESCRIPTION_SEPARATOR = "`"
CreateMount = defined @AllTheThings/src/Classes/base.lua:475
ShowPopupDialogWithEditBox = defined @AllTheThings/src/base.lua:434
UpdateWindows = defined @AllTheThings/src/UI/Classic Window Logic.lua:1668
GetBestMapForGroup = defined @AllTheThings/classic/ATT-Classic.lua:401
CreateDeathClass = defined @AllTheThings/src/Classes/base.lua:488
SortDefaults = {
}
GetFactionIDByName = defined @AllTheThings/classic/ATT-Classic.lua:4183
CacheFlightPathDataForTarget = defined @AllTheThings/classic/ATT-Classic.lua:4401
events = {
}
IsQuestSaved = defined @AllTheThings/src/Classes/Quests.lua:388
WrapObject = defined @AllTheThings/src/Classes/base.lua:564
IgnoredReputationsForAchievements = {
}
CreateFollower = defined @AllTheThings/classic/ATT-Classic.lua:6486
AlwaysShowUpdate = defined @AllTheThings/src/base.lua:35
GetCachedSearchResults = defined @AllTheThings/classic/ATT-Classic.lua:1024
CreateFlightPath = defined @AllTheThings/src/Classes/base.lua:488
ShowSoftReservesForItem = defined @AllTheThings/src/UI/Windows/Soft Reserves.lua:381
IsClassic = true
GetCurrentFactionStandings = defined @AllTheThings/classic/ATT-Classic.lua:4210
ClassIndex = 8
UniqueCounter = {
}
SearchForRelativeItems = defined @AllTheThings/src/Cache.lua:724
Presets = {
}
DefaultThingFilter = defined @AllTheThings/src/Modules/Filter.lua:30
GroupFilter = defined @AllTheThings/src/Modules/Filter.lua:532
CreateGearSet = defined @AllTheThings/classic/ATT-Classic.lua:6490
MergeO

Also for Wrath classic:
Message: Interface/AddOns/AllTheThings/src/Classes/Quests.lua:842: attempt to call field 'UpdateParentProgress' (a nil value)
Time: Sun Feb 4 18:04:51 2024
Count: 4
Stack: Interface/AddOns/AllTheThings/src/Classes/Quests.lua:842: attempt to call field 'UpdateParentProgress' (a nil value)
[string "@Interface/AddOns/AllTheThings/src/Classes/Quests.lua"]:842: in function <Interface/AddOns/AllTheThings/src/Classes/Quests.lua:825>
[string "@Interface/AddOns/AllTheThings/src/Classes/Quests.lua"]:884: in function <Interface/AddOns/AllTheThings/src/Classes/Quests.lua:862>
[string "@Interface/AddOns/AllTheThings/src/Classes/Quests.lua"]:1688: in function `?'
[string "@Interface/AddOns/AllTheThings/src/base.lua"]:253: in function <Interface/AddOns/AllTheThings/src/base.lua:253>

Locals: questID = 9791
searchResults =

{
1 = {
}
}
(for generator) = defined =[C]:-1
(for state) = {
1 = {
}
}
(for control) = 1
i = 1
result = {
hash = "questID9791"
total = 1
r = 2
u = 17
coords = {
}
g = {
}
qgs = {
}
visible = true
lvl = 60
progress = 0
parent = {
}
questID = 9791
awp = 20001
}
(*temporary) = nil
(*temporary) = {
hash = "questID9791"
total = 1
r = 2
u = 17
coords = {
}
g = {
}
qgs = {
}
visible = true
lvl = 60
progress = 0
parent = {
}
questID = 9791
awp = 20001
}
(*temporary) = "attempt to call field 'UpdateParentProgress' (a nil value)"
SearchForField = defined @Interface/AddOns/AllTheThings/src/Cache.lua:675
app = {
ExplorationAreaPositionDB = {
}
SetDataMember = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:169
SpellNameToSpellID = {
}
ShowItemCompareTooltips = defined @Interface/AddOns/AllTheThings/src/Modules/Tooltip.lua:930
CreateHash = defined @Interface/AddOns/AllTheThings/src/Classes/base.lua:42
CloneArray = defined @Interface/AddOns/AllTheThings/src/base.lua:107
PrintDebug = defined @Interface/AddOns/AllTheThings/src/base.lua:65
GenerateSourcePath = defined @Interface/AddOns/AllTheThings/src/Cache.lua:1046
ToggleMainList = defined @Interface/AddOns/AllTheThings/src/UI/Windows/Prime.lua:37
GetIconFromProviders = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:366
BuildFlatSearchResponse = defined @Interface/AddOns/AllTheThings/src/UI/Classic Window Logic.lua:2362
CloneObject = defined @Interface/AddOns/AllTheThings/src/Classes/base.lua:339
IsComplete = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:337
SearchForField = defined @Interface/AddOns/AllTheThings/src/Cache.lua:675
DESCRIPTION_SEPARATOR = "`"
CreateMount = defined @Interface/AddOns/AllTheThings/src/Classes/base.lua:475
ShowPopupDialogWithEditBox = defined @Interface/AddOns/AllTheThings/src/base.lua:434
UpdateWindows = defined @Interface/AddOns/AllTheThings/src/UI/Classic Window Logic.lua:1668
GetBestMapForGroup = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:401
CreateUnit = defined @Interface/AddOns/AllTheThings/src/Classes/base.lua:488
SortDefaults = {
}
GameBuildVersion = 30403
CacheFlightPathDataForTarget = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:4401
events = {
}
IsQuestSaved = defined @Interface/AddOns/AllTheThings/src/Classes/Quests.lua:388
WrapObject = defined @Interface/AddOns/AllTheThings/src/Classes/base.lua:564
CreateFollower = defined @Interface/AddOns/AllTheThings/classic/ATT-Classic.lua:6486
AlwaysShowUpdate = defined @Interface/AddOns/AllTheThings/src/base.lua:35
print = defined @Interface/AddOns/AllTheThings/src/base.lua:39
CreateFlightPath = defined @Interface/AddOns