HandyNotes_LegionTreasures forbidden from using UpgradeItem() (Only usable by Blizzard)
Count: 2

Call Stack:
[string "=[C]"]: in function UpgradeItem' [string "@Blizzard_ItemUpgradeUI\Blizzard_ItemUpgradeUI.lua"]:104: in function OnConfirm'
[string "@FrameXML\StaticPopup.lua"]:342: in function OnAccept' [string "@FrameXML\StaticPopup.lua"]:5192: in function StaticPopup_OnClick'
[string ":OnClick"]:1: in function <[string ":OnClick"]:1>

I've made a few substitutions to hopefully avoid taint like this. Reopen if you see this again.