I clicked the following:

Filter ->
!Help ->
!Full Search

and got this error:

Message: ...ter/Libs/Krowi_Tutorials-3.0/Krowi_Tutorials-3.0.lua:181: attempt to index field 'TitleText' (a nil value)
Time: Fri Oct 28 06:56:56 2022
Count: 1
Stack: ...ter/Libs/Krowi_Tutorials-3.0/Krowi_Tutorials-3.0.lua:181: attempt to index field 'TitleText' (a nil value)
[string "@Interface/AddOns/Krowi_AchievementFilter/Libs/Krowi_Tutorials-3.0/Krowi_Tutorials-3.0.lua"]:181: in function <...ter/Libs/Krowi_Tutorials-3.0/Krowi_Tutorials-3.0.lua:135>
[string "@Interface/AddOns/Krowi_AchievementFilter/Libs/Krowi_Tutorials-3.0/Krowi_Tutorials-3.0.lua"]:668: in function ShowTutorial' [string "@Interface/AddOns/Krowi_AchievementFilter/GUI/Misc/FilterButton/FilterButton.lua"]:99: in function func'
[string "@Interface/SharedXML/UIDropDownMenu.lua"]:1007: in function `UIDropDownMenuButton_OnClick'
[string "*UIDropDownMenuTemplates.xml:136_OnClick"]:1: in function <[string "*UIDropDownMenuTemplates.xml:136_OnClick"]:1>

Locals: frame = Krowi_Tutorial1 {
0 =
Flash = AnimationGroup {
}
SetPortraitShown = defined @Interface/SharedXML/PortraitFrame.lua:91
GetTitleText = defined @Interface/SharedXML/PortraitFrame.lua:28
Inset = Krowi_Tutorial1Inset {
}
SetPortraitTextureRaw = defined @Interface/SharedXML/PortraitFrame.lua:79
TitleContainer = Frame {
}
SetTitleMaxLinesAndHeight = defined @Interface/SharedXML/PortraitFrame.lua:49
SetTitleColor = defined @Interface/SharedXML/PortraitFrame.lua:32
DefaultPortraitTextureSizeAndOffset = defined @Interface/SharedXML/PortraitFrame.lua:101
SetTitle = defined @Interface/SharedXML/PortraitFrame.lua:36
Images =

{
}
ImageMargin = {
}
SetBorder = defined @Interface/SharedXML/PortraitFrame.lua:62
layoutType = "PortraitFrameTemplate"
MaxPage = 15
SavedVariables = {
}
MinPage = 1
SetPortraitToBag = defined @Interface/SharedXML/PortraitFrame.lua:75
PortraitContainer = Frame {
}
SetPortraitToUnit = defined @Interface/SharedXML/PortraitFrame.lua:71
TextMargin = {
}
Bg = Krowi_Tutorial1Bg {
}
Pages = {
}
GetPortrait = defined @Interface/SharedXML/PortraitFrame.lua:58
SetTitleFormatted = defined @Interface/SharedXML/PortraitFrame.lua:40
NineSlice = Frame {
}
TopTileStreaks = Texture {
}
Next = Button {
}
Text = FontString {
}
SetPortraitToAsset = defined @Interface/SharedXML/PortraitFrame.lua:67
SetPortraitTextureSizeAndOffset = defined @Interface/SharedXML/PortraitFrame.lua:95
Key = "FeaturesTutorial"
CloseButton = Krowi_Tutorial1CloseButton {
}
Title = "Krowi's Achievement Filter - 10.0.0.45.1"
Prev = Button {
}
Shine = Frame {
}
PageNum = FontString {
}
SetPortraitAtlasRaw = defined @Interface/SharedXML/PortraitFrame.lua:83
SetPortraitTexCoord = defined @Interface/SharedXML/PortraitFrame.lua:87
}
i = 5
page = {
ImageTexCoord = {
}
SubTitle = "Full Search"
ImageSize = {
}
Text = "By selecting 'Show All X Results' you're able to view all search results. See the Quick Search tutorial for more details."
Image = "Interface\AddOns\Krowi_AchievementFilter\Media\FullSearch"
}
layout = "VERTICAL"
point = "CENTER"
relativeFrame = UIParent {
0 =
Tabs = {
}
ContainerFrames = {
}
firstTimeLoaded = 1
variablesLoaded = true
}
relativePoint = "CENTER"
offsetX = 0
offsetY = 0
width = 50
title = "Krowi's Achievement Filter - 10.0.0.45.1"
imageSize = {
Height = 512
Width = 826
}
imageTexCoord = {
1 = 0
2 = 0.806641
3 = 0
4 = 1
}
imageMargin = {
Top = 36
Right = 19
Left = 17
Bottom = 38
}
textSize = {
Height = 0
Width = 0
}
textMargin = {
Top = 0
Right = 10
Left = 10
Bottom = 20
}
(*temporary) = nil
(*temporary) = nil
(*temporary) = "CENTER"
(*temporary) = UIParent {
0 =
Tabs = {
}
ContainerFrames = <tab