Lua error on Cat related to IsItemAccountBoundInTooltip

[Rafii2198]

I don't know why this error happened or what that means, I only installed the addon, adjusted the rules and talked with the vendor.

207x ...Ons/Vendor/systems/itemproperties/itemproperties.lua:184: attempt to call method 'IsItemAccountBoundInTooltip' (a nil value)
[string "@Vendor/systems/itemproperties/itemproperties.lua"]:184: in function <...Ons/Vendor/systems/itemproperties/itemproperties.lua:72>
[string "=(tail call)"]: ?
[string "@Vendor/systems/evaluation/itemresultcache.lua"]:112: in function <Vendor/systems/evaluation/itemresultcache.lua:99>
[string "=(tail call)"]: ?
[string "=(tail call)"]: ?
[string "=(tail call)"]: ?
[string "@Vendor/features/tooltip/tooltip_classic.lua"]:175: in function `AddItemTooltipLines'
[string "@Vendor/features/tooltip/tooltip_classic.lua"]:126: in function <...eVendor/features/tooltip/tooltip_classic.lua:123>
[string "=[C]"]: in function `xpcall'
[string "@Vendor/features/tooltip/tooltip_classic.lua"]:122: in function <...eVendor/features/tooltip/tooltip_classic.lua:120>
[string "@Vendor/sys/hook.lua"]:52: in function <Vendor/sys/hook.lua:50>
[string "=[C]"]: ?
[string "=[C]"]: ?
[string "=[C]"]: ?
[string "@Bistooltip/lib/LibExtraTip/LibExtraTip.lua"]:408: in function <...ceBistooltip/lib/LibExtraTip/LibExtraTip.lua:402>
[string "@TradeSkillMaster/LibTSM/Service/ItemTooltipClasses/Wrapper.lua"]:106: in function <...Master/LibTSM/Service/ItemTooltipClasses/Wrapper.lua:104>
[string "=[C]"]: ?
[string "@Vendor/sys/hook.lua"]:95: in function `SetBagItem'
[string "@Blizzard_UIPanels_Game/Classic/ContainerFrame_Shared.lua"]:1426: in function `ContainerFrameItemButton_OnEnter'
[string "@BetterBags/frames/era/item.lua"]:247: in function `UpdateTooltip'
[string "@BetterBags/frames/era/item.lua"]:313: in function <BetterBags/frames/era/item.lua:313>

Locals:
itemObj = <table> {
 GetItemLocation = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:66
 SetItemLink = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:56
 HasItemLocation = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:70
 LockItem = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:113
 itemLocation = <table> {
 }
 GetItemID = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:98
 IsItemDataCached = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:216
 GetInventoryTypeName = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:210
 GetCurrentItemLevel = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:172
 GetItemQualityColor = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:183
 UnlockItem = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:119
 Clear = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:74
 GetItemIcon = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:125
 IsItemLocked = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:109
 GetItemLink = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:146
 SetItemLocation = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:51
 GetItemName = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:135
 IsItemInPlayersControl = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:92
 GetItemQuality = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:161
 GetItemGUID = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:199
 GetInventoryType = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:188
 IsItemEmpty = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:80
 GetStaticBackingItem = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:88
 SetItemID = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:61
 IsDataEvictable = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:227
 ContinueWithCancelOnItemLoad = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:242
 ContinueOnItemLoad = <function> defined @Blizzard_ObjectAPI/Classic/Item.lua:233
}
location = <table> {
 Clear = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:21
 IsEquipmentSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:48
 IsEqualToBagAndSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:60
 SetBagAndSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:27
 IsBagAndSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:52
 SetEquipmentSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:38
 HasAnyLocation = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:56
 slotIndex = 9
 GetEquipmentSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:44
 IsEqualToEquipmentSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:68
 bagID = 3
 GetBagAndSlot = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:34
 IsEqualTo = <function> defined @Blizzard_ObjectAPI/Classic/ItemLocation.lua:76
}
guid = "Item-4453-0-400000052E9CE1D9"
count = 1
item = <table> {
 GUID = "Item-4453-0-400000052E9CE1D9"
 IsUnsellable = true
 IsBagAndSlot = true
 IsBindOnEquip = false
 Link = "|cff00ccff|Hitem:42950::::::::85:::::::::|h[Champion Herod's Shoulder]|h|r"
 Id = 42950
 IsCraftingReagent = false
 ExpansionPackId = 254
 IsBindOnUse = false
 TotalGoldValue = 0
 EquipLoc = "INVTYPE_SHOULDER"
 Bag = 3
 TypeId =