Which software were you running?

• Addon version name: 11.0.8
• Client used: 11.0.5.57388

Please describe the bug.
just a boring lua error

Please describe how to reproduce it.
lua error on character login

Error Logs are Important!
352x .../PetTracker/addons/main/classes/tracking/tracker.lua:102: attempt to index field 'sets' (a nil value)
[string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:102: in function MaxQuality' [string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:58: in function AddSpecies'
[string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:52: in function <.../PetTracker/addons/main/classes/tracking/tracker.lua:50>
[string "=[C]"]: ?
[string "=[C]"]: in function Show' [string "@WarpDeplete/Core.lua"]:213: in function ShowBlizzardObjectiveTracker'
[string "@WarpDeplete/Core.lua"]:255: in function Hide' [string "@WarpDeplete/Core.lua"]:102: in function <WarpDeplete/Core.lua:88> [string "=[C]"]: ? [string "@!KalielsTracker/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:66: in function <...s/!KalielsTracker/Libs/AceAddon-3.0/AceAddon-3.0.lua:61> [string "@!KalielsTracker/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:523: in function EnableAddon'
[string "@!KalielsTracker/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:626: in function <...s/!KalielsTracker/Libs/AceAddon-3.0/AceAddon-3.0.lua:611>
...
[string "@Blizzard_UIParent/Mainline/UIParent.lua"]:422: in function UIParentLoadAddOn' [string "@Blizzard_UIParent/Mainline/UIParent.lua"]:627: in function MajorFactions_LoadUI'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:96: in function SetUpMajorFactionList' [string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:89: in function RefreshMajorFactionList'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:84: in function RefreshOverlay' [string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:76: in function <...pansionLandingPage/Blizzard_WarWithinLandingPage.lua:72> [string "=[C]"]: in function CreateFrame'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:48: in function CreateOverlay' [string "@Blizzard_ExpansionLandingPage/Blizzard_ExpansionLandingPage.lua"]:82: in function RefreshExpansionOverlay'
[string "@Blizzard_ExpansionLandingPage/Blizzard_ExpansionLandingPage.lua"]:37: in function <...pansionLandingPage/Blizzard_ExpansionLandingPage.lua:35>

Locals:
self = Frame {
Lines =

{
}
MaxEntries = 30
Tag = "PetTracker."
Bar = Frame {
}
}
(*temporary) = nil
(*temporary) = "attempt to index field 'sets' (a nil value)"
Addon = {
SpeciePin = {
}
Enemy = {
}
MaxLevel = 25
Entity = {
}
Species = {
}
JournalSlot = {
}
Rival = {
}
Tooltips = {
}
MaxPlayerQuality = 4
MapCanvas = {
}
Tracker = {
}
SpecieLine = {
}
AbilityDisplay = {
}
StablePin = {
}
RivalInfo = {
}
Pin = {
}
Tag = "PetTracker."
BattleSlot = {
}
Pet = {
}
AbilityAction = {
}
MaxQuality = 6
Stables = {
}
ProgressBar = {
}
SpecieStats = {
}
RivalPin = {
}
MultiTip = {
}
Specie = {
}
PetSlot = {
}
Rivals = {
}
Base = {
}
Ability = {
}
Predict = {
}
SpecieBreeds = {
}
Maps = {
}
Breeds = {
}
AbilityButton = {
}
RivalOrder = {
}
Name = "PetTracker"
Objectives = Frame {
}
}

it's on /reload as well, not just login. seems like it's thrown when loading UI while the addon is active.

I think my error is identical:

1x .../PetTracker/addons/main/classes/tracking/tracker.lua:102: attempt to index field 'sets' (a nil value)
[string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:102: in function MaxQuality' [string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:58: in function AddSpecies'
[string "@PetTracker/addons/main/classes/tracking/tracker.lua"]:52: in function <.../PetTracker/addons/main/classes/tracking/tracker.lua:50>
[string "=[C]"]: ?
[string "=[C]"]: in function Show' [string "@WarpDeplete/Core.lua"]:147: in function ShowBlizzardObjectiveTracker'
[string "@WarpDeplete/Core.lua"]:189: in function Hide' [string "@WarpDeplete/Core.lua"]:49: in function <WarpDeplete/Core.lua:40> [string "=[C]"]: ? [string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:66: in function <...aceMasque/Libs/AceAddon-3.0/AceAddon-3.0.lua:61> [string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:523: in function EnableAddon'
[string "@Masque/Libs/AceAddon-3.0-13/AceAddon-3.0.lua"]:626: in function <...aceMasque/Libs/AceAddon-3.0/AceAddon-3.0.lua:611>
...
[string "@Blizzard_UIParent/Mainline/UIParent.lua"]:422: in function UIParentLoadAddOn' [string "@Blizzard_UIParent/Mainline/UIParent.lua"]:630: in function MajorFactions_LoadUI'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:96: in function SetUpMajorFactionList' [string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:89: in function RefreshMajorFactionList'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:84: in function RefreshOverlay' [string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:76: in function <...pansionLandingPage/Blizzard_WarWithinLandingPage.lua:72> [string "=[C]"]: in function CreateFrame'
[string "@Blizzard_ExpansionLandingPage/Blizzard_WarWithinLandingPage.lua"]:48: in function CreateOverlay' [string "@MissionReportButtonPlus/MissionReportButtonPlus.lua"]:1588: in function RefreshExpansionOverlay'
[string "@Blizzard_ExpansionLandingPage/Blizzard_ExpansionLandingPage.lua"]:37: in function <...pansionLandingPage/Blizzard_ExpansionLandingPage.lua:35>

Locals:
self = Frame {
Lines =

{
}
MaxEntries = 30
Tag = "PetTracker."
Bar = Frame {
}
}
(*temporary) = nil
(*temporary) = "attempt to index field 'sets' (a nil value)"
Addon = {
SpeciePin = {
}
Enemy = {
}
MaxLevel = 25
Entity = {
}
Species = {
}
JournalSlot = {
}
Rival = {
}
Tooltips = {
}
MaxPlayerQuality = 4
MapCanvas = {
}
Tracker = {
}
SpecieLine = {
}
AbilityDisplay = {
}
StablePin = {
}
RivalInfo = {
}
Pin = {
}
Tag = "PetTracker."
BattleSlot = {
}
Pet = {
}
AbilityAction = {
}
MaxQuality = 6
Stables = {
}
ProgressBar = {
}
SpecieStats = {
}
RivalPin = {
}
MultiTip = {
}
Specie = {
}
PetSlot = {
}
Rivals = {
}
Base = {
}
Ability = {
}
Predict = {
}
SpecieBreeds = {
}
Maps = {
}
Breeds = {
}
AbilityButton = {
}
RivalOrder = {
}
Name = "PetTracker"
Objectives = Frame {
}
}