Running Software (issues missing this information will be deleted):

• Addon version: 8.3.0
• Server patch: Build 8.3.0.33169

Describe the bug
Set as useful button don't work and generate an error

To Reproduce
Steps to reproduce the behavior:

1. Go to vendor window
2. Click on Scrap tab
3. Select item
4. Click on Set as useful button
5. See error

Expected behavior
Set as a useful button should move the item to useful

Error Logs
`3x [string "ScrapVisualizerButton:OnClick"]:1: attempt to call method 'ToggleCurrent' (a nil value)
[string ":OnClick"]:1: in function <[string ":OnClick"]:1>

Locals:
self = ScrapVisualizerButton {
0 =
Text = ScrapVisualizerButtonText {
}
Right = {
}
Middle = {
}
Left = {
}
}
button = "LeftButton"
down = false
(*temporary) = nil
(*temporary) = ScrapVisualizer {
SendSignal = defined @scrap\libs\WildAddon-1.0\WildAddon-1.0.lua:82
TitleText = ScrapVisualizerTitleText {
}
portrait = ScrapVisualizerPortrait {
}
NewModule = defined @scrap\libs\WildAddon-1.0\WildAddon-1.0.lua:68
SetPortraitShown = defined @SharedXML\PortraitFrame.lua:52
ToggleItem = defined @scrap\addons\merchant\visualizer.lua:75
Inset = ScrapVisualizerInset {
}
SetPortraitTextureRaw = defined @SharedXML\PortraitFrame.lua:40
OnShow = defined @scrap\addons\merchant\visualizer.lua:52
selectedTab = 1
TitleBg = {
}
numTabs = 2
UpdateList = defined @scrap\addons\merchant\visualizer.lua:108
SetTitleMaxLinesAndHeight = defined @SharedXML\PortraitFrame.lua:68
Tab2 = ScrapVisualizerTab2 {
}
list =

{
}
UnregisterMessage = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
PixelSnapDisabled = true
UpdateButton = defined @scrap\addons\merchant\visualizer.lua:185
SetTitle = defined @SharedXML\PortraitFrame.lua:60
Tag = "SCRAP_"
tab = MerchantFrameSecureTab0 {
}
Spinner = {
}
SetItem = defined @scrap\addons\merchant\visualizer.lua:69
Scroll = ScrapVisualizerScroll {
}
SetBorder = defined @SharedXML\PortraitFrame.lua:27
layoutType = "PortraitFrameTemplate"
SetTab = defined @scrap\addons\merchant\visualizer.lua:64
OnHide = defined @scrap\addons\merchant\visualizer.lua:57
OnEnable = defined @scrap\addons\merchant\visualizer.lua:24
item = {
}
SetPortraitAtlasRaw = defined @SharedXML\PortraitFrame.lua:44
Button = ScrapVisualizerButton {
}
SendMessage = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:59
Bg = ScrapVisualizerBg {
}
UnregisterAllEvents = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
UnregisterSignal = defined @scrap\libs\WildAddon-1.0\WildAddon-1.0.lua:78
SetTitleFormatted = defined @SharedXML\PortraitFrame.lua:64
NineSlice = {
}
Tab1 = ScrapVisualizerTab1 {
}
RegisterSignal = defined @scrap\libs\WildAddon-1.0\WildAddon-1.0.lua:74
UnregisterAllMessages = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
SetPortraitToAsset = defined @SharedXML\PortraitFrame.lua:32
RegisterMessage = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
0 =
CloseButton = ScrapVisualizerCloseButton {
}
TopTileStreaks = {
}
RegisterEvent = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
SetPortraitToUnit = defined @SharedXML\PortraitFrame.lua:36
SetPortraitTexCoord = defined @SharedXML\PortraitFrame.lua:48
UnregisterEvent = defined @ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
SetTitleColor = defined @SharedXML\PortraitFrame.lua:56
}
(*temporary) = "attempt to call method 'ToggleCurrent' (a nil value)"
`

Additional context
Add any other context about the problem here.

+1
Error Log
Date: 2020-02-22 07:15:50
ID: 1
Error occured in: Global
Count: 1
Message: [string "ScrapVisualizerButton:OnClick"] line 1:
attempt to call method 'ToggleCurrent' (a nil value)
Debug:
[C]: ToggleCurrent()
[string ":OnClick"]:1:
[string ":OnClick"]:1
Locals:

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AucFilterBasic, v8.2.6364 (SwimmingSeadragon)
AucScanData, v8.2.6365 (SwimmingSeadragon)
AucStatHistogram, v8.2.6366 (SwimmingSeadragon)
AucStatiLevel, v8.2.6370 (SwimmingSeadragon)
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AucStatSimple, v8.2.6399 (SwimmingSeadragon)
AucStatStdDev, v8.2.6369 (SwimmingSeadragon)
AucUtilFixAH, v8.2.6371 (SwimmingSeadragon)
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BagBrother, v
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DBMCore, v1.13.36
DBMDefaultSkin, v
DBMStatusBarTimers, v
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Questie, v5.7.1
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Scrap, v8.3.0
ScrapMerchant, v
ShadowedUnitFrames, vv4.2.3-Classic
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Stubby, v8.2.6376 (SwimmingSeadragon)
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TitanClassicAmmo, v1.2.0.11303
TitanClassicBag, v1.2.0.11303
TitanClassicClock, v1.2.0.11303
TitanClassicGold, v1.2.0.11303
TitanClassicLocation, v1.2.0.11303
TitanClassicLootType, v1.2.0.11303
TitanClassicPerformance, v1.2.0.11303
TitanClassicRegen, v1.2.0.11303
TitanClassicRepair, v1.2.0.11303
TitanClassicVolume, v1.2.0.11303
TitanClassicXP, v1.2.0.11303
TomPoints, v11303_06
TomTom, vv11303-1.0.9
WeakAuras, v2.16.6
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