This error started on 1.25 & is still present on 1.26. It breaks the main skillet window and prevents any use of it.

Date: 2021-06-03 09:44:52
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Skillet-Classic\UI\MainFrame.lua line 1209:
attempt to concatenate field 'alttext' (a nil value)
Debug:
[string "@Skillet-Classic\UI\MainFrame.lua"]:1209: UpdateTradeSkillWindow()
[string "@Skillet-Classic\Skillet.lua"]:1339: ShowTradeSkillWindow()
[string "@Skillet-Classic\Skillet.lua"]:1068: ?()
[string "@Skillet-Classic\Libs\AceTimer-3.0\AceTimer-3.0.lua"]:55:
...s\Skillet-Classic\Libs\AceTimer-3.0\AceTimer-3.0.lua:50
Locals:
self =

{
DeleteIgnoreEntry = defined @interface\AddOns\Skillet-Classic\UI\IgnoreList.lua:159
VendorItemAvailable = defined @interface\AddOns\Skillet-Classic\Inventory.lua:240
SkillButton_NewGroup = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:2176
modules = {
}
CancelTimer = defined @interface\AddOns\Skillet-Classic\Libs\AceTimer-3.0\AceTimer-3.0.lua:147
ClearQueue = defined @interface\AddOns\Skillet-Classic\SkilletQueue.lua:184
RecipeGroupAddSubGroup = defined @interface\AddOns\Skillet-Classic\RecipeGroups.lua:203
SkillButton_OnDragStop = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:2032
TradeButtonAdditional_OnEnter = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:631
SkillButton_OnMouseDown = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:2014
QueueAppendCommand = defined @interface\AddOns\Skillet-Classic\SkilletQueue.lua:109
DeleteQueue = defined @interface\AddOns\Skillet-Classic\SkilletQueue.lua:714
DisplayShoppingList = defined @interface\AddOns\Skillet-Classic\UI\ShoppingList.lua:1079
ShowQueueView = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:3095
QueueAllItems = defined @interface\AddOns\Skillet-Classic\SkilletQueue.lua:391
TRACE_COLOR = "|c0000FFA0"
PruneList = defined @interface\AddOns\Skillet-Classic\RecipeGroups.lua:547
RegisterRecipeNamePlugin = defined @interface\AddOns\Skillet-Classic\SkilletPlugin.lua:76
ScheduleTimer = defined @interface\AddOns\Skillet-Classic\Libs\AceTimer-3.0\AceTimer-3.0.lua:94
FilterDropDown_OnShow = defined @interface\AddOns\Skillet-Classic\UI\Filtering.lua:81
AddToQueue = defined @interface\AddOns\Skillet-Classic\SkilletQueue.lua:130
hideTrivialRecipes = false
RecipeDifficultyButton_OnShow = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:594
UpdateMerchantFrame = defined @interface\AddOns\Skillet-Classic\UI\MerchantWindow.lua:162
RecipeGroupSort = defined @interface\AddOns\Skillet-Classic\RecipeGroups.lua:407
EnableResize = defined @interface\AddOns\Skillet-Classic\UI\Utils.lua:122
ConfigureRecipeControls = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:536
UpdateNotesWindow = defined @interface\AddOns\Skillet-Classic\UI\RecipeNotes.lua:123
GetTradeSkillIcon = defined @interface\AddOns\Skillet-Classic\TradeskillInfo.lua:286
Hook = defined @interface\AddOns\Skillet-Classic\Libs\AceHook-3.0\AceHook-3.0.lua:274
SkilletQueueMenu_Show = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:3061
updatePlugins = {
}
cachedIgnoreList = {
}
IsShoppingListVisible = defined @interface\AddOns\Skillet-Classic\UI\ShoppingList.lua:1108
CHAT = defined @interface\AddOns\Skillet-Classic\DebugAids.lua:64
GetNumTradeSkills = defined @interface\AddOns\Skillet-Classic\TradeskillInfo.lua:272
RecipeGroupNew = defined @interface\AddOns\Skillet-Classic\RecipeGroups.lua:101
saved_full_button_count = 0
skilletStandaloneQueue = SkilletStandaloneQueue {
}
lastTrade = 2550
UpdateIgnoreListWindow = defined @interface\AddOns\Skillet-Classic\UI\IgnoreList.lua:205
IgnoreList_OnScroll = defined @interface\AddOns\Skillet-Classic\UI\IgnoreList.lua:279
groupList = {
}
scanInProgress = false
pluginsOptions = {
}
castSpellName = "Cooking"
RecipeGroupRenameEntry = defined @interface\AddOns\Skillet-Classic\RecipeGroups.lua:382
UnregisterAllEvents = defined @interface\AddOns\Bagnon\common\Wildpants\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
InventoryFilterButton_OnEnter = defined @interface\AddOns\Skillet-Classic\UI\MainFrame.lua:2637
RecipeGroupFlatten = defined @interface\AddOns\Skillet-Classic\RecipeGrou
AddOns:
Swatter, v1.13.6652 (SwimmingSeadragon)
ACP, v3.5.7-5-g619b778
BagBrother, v
Bagnon, v9.0.7
SkilletClassic, v1.26
Stubby, v1.13.6614 (SwimmingSeadragon)
BlizRuntimeLib_enUS v2.5.1.20501
(ck=d0)