PetBattleMaster puts up a small UI with my current pet team on my screen. When I mouse over that, All The Things consistently gives the following LUA error.

Date: 2018-11-05 17:34:04
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\AllTheThings\AllTheThings.lua line 3030:
bad argument #1 to 'sub' (string expected, got function)
Debug:
[C]: sub()
AllTheThings\AllTheThings.lua:3030:
AllTheThings\AllTheThings.lua:2986
[C]: ?
[C]: ?
[C]: ?
[C]: ?
[C]: ?
[C]: Show()
...rface\AddOns\PetBattleMaster\src\main\WidgetUtil.lua:27:
...rface\AddOns\PetBattleMaster\src\main\WidgetUtil.lua:23
Locals:
(*temporary) = defined @interface\AddOns\PetBattleMaster\src\main\PetTeamView.lua:342
(*temporary) = 1
(*temporary) = 12
(*temporary) = "string expected, got function"

AddOns:
Swatter, v8.0.6162 (SwimmingSeadragon)
WowheadLooter, v80000
AchievementsReminder, v
AllTheThings, v1.7.4
Altoholic, vr190
ArkInventory, v30815
ArkInventoryRules, v10200
ArkInventoryRulesExample, v10000
ArkInventorySearch, v10200
AskMrRobot, v64
AucAdvanced, v8.0.6122 (SwimmingSeadragon)
AucFilterBasic, v8.0.6149 (SwimmingSeadragon)
AucStatHistogram, v8.0.6151 (SwimmingSeadragon)
AucStatiLevel, v8.0.6155 (SwimmingSeadragon)
AucStatPurchased, v8.0.6152 (SwimmingSeadragon)
AucStatSimple, v8.0.6153 (SwimmingSeadragon)
AucStatStdDev, v8.0.6154 (SwimmingSeadragon)
AucUtilFixAH, v8.0.6156 (SwimmingSeadragon)
AzeriteTooltip, v1.82
Bartender4, v4.8.1
BattlePetBreedID, vr179
BeanCounter, v8.0.6157 (SwimmingSeadragon)
DataStore, vr65
DataStoreAchievements, vr47
DataStoreAgenda, vr29
DataStoreAuctions, vr50
DataStoreCharacters, vr43
DataStoreContainers, vr59
DataStoreCrafts, vr82
DataStoreCurrencies, vr38
DataStoreGarrisons, vr24
DataStoreInventory, vr53
DataStoreMails, vr52
DataStorePets, vr44
DataStoreQuests, vr46
DataStoreReputations, vr43
DataStoreSpells, vr32
DataStoreStats, vr31
DataStoreTalents, vr61
DBMCore, v8.0.15
DBMDefaultSkin, v
DBMStatusBarTimers, v
Enchantrix, v8.0.6158 (SwimmingSeadragon)
FBOutfitDisplayFrame, v1.9.1
FishingBuddy, v1.9.20
GTFO, v4.46.9
HandyNotes, vv1.5.3
HandyNotesArgus, vv0.10
HandyNotesBattleForAzerothTreasures, v1
HandyNotesHallowsEnd, vv1.4.3
HandyNotesLunarFestival, vv1.5
Informant, v8.0.6159 (SwimmingSeadragon)
LibSharedMedia30, v3.0-104
MasterPlanA, vA
MinimalArchaeology, v8.0.12.2
MogIt, v3.8.11
MogItArtifact, v3.8.11
MogItCloth, v3.8.11
MogItOneHanded, v3.8.11
MogItOther, v3.8.11
MogItRanged, v3.8.11
MogItTwoHanded, v3.8.11
MonkeySpeed, vv3.3.13
MoveAnything, v17.0.0
MuffinNoPvPTalentFix, v8.0.0.00
NomiCakes, v8.0.0.1
NPCScan, v8.0.1.13
Overachiever, v1.0.4
OverachieverCache, v1.0.4
OverachieverTabs, v1.0.4
OverachieverTrade, v1.0.4
Pawn, v2.2.31
PetBattleMaster, v8.0.0
PetJournalEnhanced, v2.9.30
PetTracker, v8.0.6
PetTrackerBreeds, v8.0.6
PetTrackerConfig, v8.0.6
PetTrackerJournal, v8.0.6
PetTrackerSwitcher, v8.0.6
PetTrackerUpgrades, v8.0.6
Postal, vv3.6.0
Rarity, v1.0 (r681-release)
RarityOptions, v
Recount, vv8.0.1e
Scrap, v13.12
ScrapMerchant, v13.12
ScrapSpotlight, v13.12
SilverDragon, vv4.0.13
SilverDragonBattleForAzeroth, vv4.0.13
SilverDragonBurningCrusade, vv4.0.13
SilverDragonCataclysm, vv4.0.13
SilverDragonLegion, vv4.0.13
SilverDragonMists, vv4.0.13
SilverDragonVanilla, vv4.0.13
SilverDragonWarlords, vv4.0.13
SilverDragonWrath, vv4.0.13
SlideBar, v8.0.6160 (SwimmingSeadragon)
Stubby, v8.0.6161 (SwimmingSeadragon)
TellMeWhen, v8.5.4
TheUndermineJournal, v5.4.20181103
Titan, v5.14.12.80000
TitanBag, v5.14.12.80000
TitanClock, v5.14.12.80000
TitanGold, v5.14.12.80000
TitanLocation, v5.14.12.80000
TitanLootType, v5.14.12.80000
TitanPerformance, v5.14.12.80000
TitanRepair, v5.14.12.80000
TitanVolume, v5.14.12.80000
TitanXP, v5.14.12.80000
TomTom, vv80001-1.0.2
TransmogTokens, v1.4.9
WeakAuras, v2.9.0
WIM, v3.7.18
WorldQuestsList, v81
BlizRuntimeLib_enUS v8.0.1.80000
(ck=ce5)

If you download from our Git, you can test to make sure my fix corrects this issue for you.

Anything new or a way to fix this error ? I have the same error but found no solution.