Saw this today. Im not sure if its Spartan or Handy Notes. So I thought id post here 1st.

88x Usage: local itemLink = C_Item.GetItemLinkByGUID(itemGUID)
[string "=[C]"]: in function GetItemLinkByGUID' [string "@SpartanUI/modules/Tooltips.lua"]:157: in function <SpartanUI/modules/Tooltips.lua:152> [string "=(tail call)"]: ? [string "=[C]"]: in function securecallfunction'
[string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:60: in function <SharedXML/Tooltip/TooltipDataHandler.lua:55>
[string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:80: in function <SharedXML/Tooltip/TooltipDataHandler.lua:76>
[string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:116: in function <SharedXML/Tooltip/TooltipDataHandler.lua:106>
[string "=[C]"]: in function SetAttribute' [string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:141: in function <SharedXML/Tooltip/TooltipDataHandler.lua:134> [string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:282: in function <SharedXML/Tooltip/TooltipDataHandler.lua:240> [string "=[C]"]: in function securecallfunction'
[string "@SharedXML/Tooltip/TooltipDataHandler.lua"]:237: in function <SharedXML/Tooltip/TooltipDataHandler.lua:236>
[string "=(tail call)"]: ?
[string "@HandyNotes_DragonflightTreasures/handler/handler.lua"]:967: in function <...HandyNotes_DragonflightTreasures/handler/handler.lua:785>
[string "=(tail call)"]: ?
[string "@HandyNotes_DragonflightTreasures/handler/handler.lua"]:1042: in function <...HandyNotes_DragonflightTreasures/handler/handler.lua:1018>
[string "=[C]"]: ?
[string "@HandyNotes/HandyNotes.lua"]:56: in function <HandyNotes/HandyNotes.lua:51>
[string "@HandyNotes/HandyNotes.lua"]:166: in function `OnEnter'
[string "@HandyNotes/HandyNotes.lua"]:399: in function <HandyNotes/HandyNotes.lua:398>

Locals:
(*temporary) = "Usage: local itemLink = C_Item.GetItemLinkByGUID(itemGUID)"