Describe the bug
<When hovering over the SavedInstances Plugin in my Titanpanel usually a popup for my instances for the week appears, now, as soon as I hover over it my Swatter! gives me the following error report.

Date: 2019-11-28 13:18:17
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\SavedInstances\Progress.lua line 246:
attempt to concatenate field 'numRequired' (a nil value)
Debug:
SavedInstances\Progress.lua:246: ShowTooltip()
SavedInstances\SavedInstances.lua:3898: ShowTooltip()
SavedInstances\SavedInstances.lua:2603:
SavedInstances\SavedInstances.lua:2601
Titan\LDBToTitan.lua:327:
Titan\LDBToTitan.lua:286
Locals:
self =

{
SetDefaultModuleLibraries = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:367
Enable = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:294
UnregisterAllEvents = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
EnableModule = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:332
modules = {
}
GetModule = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:210
IterateEmbeds = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:442
ShowTooltip = defined @interface\AddOns\SavedInstances\Progress.lua:216
defaultModuleLibraries = {
}
BuildOptions = defined @interface\AddOns\SavedInstances\Progress.lua:204
SetDefaultModulePrototype = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:409
name = "SavedInstances_Core_Progress"
IsEnabled = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:451
orderedModules = {
}
DisableModule = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:350
RegisterMessage = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
UnregisterMessage = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
IsModule = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:217
OnWeeklyReset = defined @interface\AddOns\SavedInstances\Progress.lua:183
SetDefaultModuleState = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:387
SetEnabledState = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:424
OnDailyReset = defined @interface\AddOns\SavedInstances\Progress.lua:162
enabledState = true
baseName = "SavedInstances"
RegisterEvent = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
UnregisterAllMessages = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
QUEST_LOG_UPDATE = defined @interface\AddOns\SavedInstances\Progress.lua:130
OnEnable = defined @interface\AddOns\SavedInstances\Progress.lua:125
NewModule = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:235
IterateModules = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:437
defaultModuleState = true
SendMessage = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:59
GetName = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:279
moduleName = "Progress"
UnregisterEvent = defined @interface\AddOns\Ahoy\Libraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
Disable = defined @interface\AddOns\DataStore\libs\AceAddon-3.0\AceAddon-3.0.lua:314
}
tooltip = {
0 =
regularFont = GameTooltipText {
}
columns = {
}
scrollChild = {
}
colspans = {
}
anchorframe = TitanPanelSavedInstancesButton {
}
width = 142.015511
headerFont = SavedInstancedTooltipHeaderFont {
}
key = "SavedInstancesTooltip"
scripts = {
}
height = 151.016471
labelProvider = {
}
lines = {
}
scrollFrame = {
}
}
columns = {
Beelzul - Argent Dawn3 = 4
Beelzul - Argent Dawn4 = 5
Beelzul - Argent Dawn2 = 3
Beelzul - Argent Dawn1 = 2
}
showall = false
preshow = defined @interface\AddOns\SavedInstances\SavedInstances.lua:3898
cpairs = defined @interface\AddOns\SavedInstances\SavedInstances.lua:3242
first = false
(for generator) = defined =[C]:-1
(for state) = {
1 = {
}
2 = {
}
}
(for control) = 2
index = 2
tbl = {
weekly = true
resetFunc = <fu
AddOns:
Swatter, v7.3.1 (<%codename%>)
AAPCore, v8.1058
Ahoy, v1.10
AllTheThings, v1.9.9c
Altoholic, vr191
Auctionator, v8.2.0
AzerothAutoPilot, v
BagBrother, v
Bartender4, v4.8.8
BattlePetBreedID, vr203
CamelSpotter, v1.4.9
Chatter, v1.6.0
CrossRP, v2.1.3
DataStore, vr66
DataStoreAchievements, vr48
DataStoreAgenda, vr30
DataStoreAuctions, vr51
DataStoreCharacters, vr44
DataStoreContainers, vr60
DataStoreCrafts, vr83
DataStoreCurrencies, vr39
DataStoreGarrisons, vr25
DataStoreInventory, vr54
DataStoreMails, vr53
DataStorePets, vr45
DataStoreQuests, vr47
DataStoreReputations, vr44
DataStoreSpells, vr33
DataStoreStats, vr32
DataStoreTalents, vr62
DBMCore, v8.2.29
DBMDefaultSkin, v
DBMStatusBarTimers, v
DejaCharacterStats, v820r202
Details, v
DetailsChartViewer, v
DetailsDeathGraphs, v
DetailsEncounterDetails, v
DetailsRaidCheck, v
DetailsRaidPowerBars, v
DetailsStreamer, v
DetailsTimeLine, v
DetailsTinyThreat, v
DetailsVanguard, v
GarrisonCommanderBroker, v3.2.3 1.1.0
HandyNotes, vv1.5.9
HandyNotesDraenorTreasures, v1.21
HandyNotesHallowsEnd, vv1.5
HandyNotesToolsOfTheTrade, v5.0.0
IceHUD, v1.12.5
Inventorian, v8.2.5.0
Listener, v2.1.7
MBB, v4.0
MogIt, v3.9.0
MogItArtifact, v3.9.0
MogItOneHanded, v3.9.0
MogItOther, v3.9.0
MogItPlate, v3.9.0
MogItRanged, v3.9.0
MogItTwoHanded, v3.9.0
mOnArsWardrobeHelper, v1.18.3
Paste, v1.4.10
Pawn, v2.3.11
Quartz, v3.5.2
Rarity, v1.0 (r692-release)
RarityOptions, v
SavedInstances, v8.2.5
SellJunk, v3.0.20
SexyMap, vv8.2.2
SilverDragon, vv4.0.17
SilverDragonBattleForAzeroth, vv4.0.17
SilverDragonBurningCrusade, vv4.0.17
SilverDragonCataclysm, vv4.0.17
SilverDragonLegion, vv4.0.17
SilverDragonMists, vv4.0.17
SilverDragonVanilla, vv4.0.17
SilverDragonWarlords, vv4.0.17
SilverDragonWrath, vv4.0.17
SlideBar, v7.3.1 (<%codename%>)
Titan, v5.18.4.80205
TitanBag, v5.18.4.80205
TitanClock, v5.18.4.80205
TitanGold, v5.18.4.80205
TitanLocation, v5.18.4.80205
TitanLootType, v5.18.4.80205
TitanPerformance, v5.18.4.80205
TitanRepair, v5.18.4.80205
TitanVolume, v5.18.4.80205
TitanXP, v5.18.4.80205
TomCats, v1.3.6
TomCatsMechagon, v1.3.10
TomCatsNazjatar, v1.3.10
TomTom, vv80205-1.0.8
totalRP3, v1.6.7.1
totalRP3Data, v
totalRP3Extended, v1.3.3
totalRP3ExtendedImpExport, v1.3.3
totalRP3ExtendedTools, v1.3.3
TransmogTokens, v1.4.9
UnlimitedChatMessage, v1.9.14
WarfrontRareTracker, v1.0.8-1
WorldQuestTracker, v
ZPerl, v5.8.7
ZPerlArcaneBar, v
ZPerlParty, v
ZPerlPartyPet, v
ZPerlPlayer, v
ZPerlPlayerBuffs, v
ZPerlPlayerPet, v
ZPerlRaidAdmin, v
ZPerlRaidFrames, v
ZPerlRaidHelper, v
ZPerlRaidPets, v
ZPerlTarget, v
ZPerlTargetTarget, v
BlizRuntimeLib_enUS v8.2.5.80205
(ck=b28)

The same happens when I try to click the map button of SavedInstances.

Even after disabling all other addons the same problem occurs.

Which version of SavedInstances are you using?
<The latest version available on Curseforged (Twitch addon handler)