Bug # 5934823742384 - as title says:

4x Bagnon_BoE/main.lua:116: attempt to index local 'tooltipData' (a nil value)
[string "@Bagnon_BoE/main.lua"]:116: in function update' [string "@Bagnon_BoE/dispatcher.lua"]:76: in function <Bagnon_BoE/dispatcher.lua:74> [string "=[C]"]: in function ?'
[string "@BagBrother/core/classes/itemGroup.lua"]:150: in function ?' [string "@AllTheThings/lib/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:107: in function <...ings/lib/CallbackHandler-1.0/CallbackHandler-1.0.lua:107> [string "=[C]"]: ? [string "@AllTheThings/lib/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:19: in function <...ings/lib/CallbackHandler-1.0/CallbackHandler-1.0.lua:15> [string "@AllTheThings/lib/CallbackHandler-1.0-8/CallbackHandler-1.0.lua"]:54: in function Fire'
[string "@BagBrother/libs/AceEvent-3.0-4/AceEvent-3.0.lua"]:120: in function <BagBrother/libs/AceEvent-3.0/AceEvent-3.0.lua:119>

Locals:
self = BagnonGuildItem57 {
0 =
SetItem = defined @FrameXML/ItemButtonTemplate.lua:544
IconOverlay = Texture {
}
Super = defined @BagBrother/libs/Poncho-2.0/Poncho-2.0.lua:157
showMatchHighlight = true
flashAnim = AnimationGroup {
}
GetTemplate = defined @BagBrother/libs/Poncho-2.0/Poncho-2.0.lua:108
SetReadable = defined @FrameXML/ContainerFrame.lua:1675
UpdateNewItem = defined @FrameXML/ContainerFrame.lua:1621
__count = 57
PostOnHide = defined @FrameXML/ItemButtonTemplate.lua:423
NewItemTexture = Texture {
}
SplitStack = defined @BagBrother/frames/guild/item.lua:75
GetBaseProfile = defined @BagBrother/core/classes/parented.lua:23
RegisterMessage = defined @AllTheThings/lib/CallbackHandler-1.0/CallbackHandler-1.0.lua:80
UnregisterMessage = defined @AllTheThings/lib/CallbackHandler-1.0/CallbackHandler-1.0.lua:143
Update = defined =[C]:-1
GetItemContextOverlayMode = defined @FrameXML/ItemButtonTemplate.lua:471
Dummy = Button {
}
GetInfo = defined @BagBrother/core/classes/item.lua:297
IsExtended = defined @FrameXML/ContainerFrame.lua:1713
UpdateItemContextOverlay = defined @FrameXML/ItemButtonTemplate.lua:488
CheckForTutorials = defined @FrameXML/ContainerFrame.lua:1742
emptyBackgroundAtlas = "bags-item-slot64"
Count = BagnonGuildItem57Count {
}
SetItemButtonAnchorPoint = defined @FrameXML/ItemButtonTemplate.lua:618
searchOverlay = BagnonGuildItem57SearchOverlay {
}
Construct = defined @BagBrother/frames/guild/item.lua:13
NormalTexture = BagnonGuildItem57NormalTexture {
}
bag = 1
GetTipAnchor = defined @BagBrother/core/classes/tipped.lua:19
_template = "ContainerFrameItemButtonTemplate"
Flash = AnimationGroup {
}
OnItemContextChanged = defined @FrameXML/ItemButtonTemplate.lua:410
UpdateJunkItem = defined @FrameXML/ContainerFrame.lua:1653
HasItem = defined @FrameXML/ContainerFrame.lua:1671
UpdateUpgradeIcon = defined @BagBrother/core/classes/item.lua:223
GetSuper = defined @BagBrother/libs/Poncho-2.0/Poncho-2.0.lua:104
GetSlot = defined @BagBrother/core/classes/item.lua:320
GetQuestInfo = defined @BagBrother/core/classes/item.lua:301
SetItemButtonScale = defined @FrameXML/ItemButtonTemplate.lua:623
isCraftedItem = false
isProfessionItem = false
UnregisterFrameSignal = defined @BagBrother/core/classes/base.lua:19
Release = defined @BagBrother/libs/Poncho-2.0/Poncho-2.0.lua:139
Cooldown = BagnonGuildItem57Cooldown {
}
Tag = "BAGNON"
NewClass = defined @BagBrother/core/classes/base.lua:9
GetSlotAndBagID = defined @FrameXML/ContainerFrame.lua:1586
UpdateSecondary = defined @BagBrother/core/classes/item.lua:194
GetItemID = defined @FrameXML/ItemButtonTemplate.lua:591
RegisterBagButtonUpdateItemContextMatching = defined @FrameXML/ItemButtonTemplate.lua:657
__index =

{
}
BagIndicator = Texture {
}
Stock = BagnonGuildItem57Stock {
}
RegisterSignal = defined @BagBrother/libs/WildAddon-1.0/WildAddon-1.0.lua:74
GetItemLink = defined @FrameXML/ItemButtonTemplate.lua:606
IsActive = defined @BagBrother/libs/Poncho-2.0/Poncho-2.0.lua:153
GetItemInfo = defined @FrameXML/ItemButtonTemplate.lua:575
IsUpgrade = defined @