Syndicator implicated as taint source for local "width"

[robertjamesftw]

What version(s) of WoW are you using?

Retail

What version of Syndicator?

263

What isn't working? What was supposed to happen?

Periodically, mousing over any element that invokes a tooltip.

Are you experiencing any lua errors

Lua error dialog:

Message: Interface/AddOns/Blizzard_SharedXML/Backdrop.lua:226: attempt to perform arithmetic on local 'width' (a secret number value tainted by 'Syndicator')
Time: Fri Feb 27 21:08:02 2026
Count: 1
Stack:
[Interface/AddOns/Blizzard_SharedXML/Backdrop.lua]:226: in function 'SetupTextureCoordinates'
[Interface/AddOns/Blizzard_SharedXML/Backdrop.lua]:191: in function <Interface/AddOns/Blizzard_SharedXML/Backdrop.lua:189>
[C]: in function 'Show'
[Interface/AddOns/Blizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua]:300: in function <...lizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua:245>
[C]: in function 'securecallfunction'
[Interface/AddOns/Blizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua]:242: in function <...lizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua:241>
[C]: in function 'ProcessInfo'
[Interface/AddOns/Blizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua]:503: in function <...lizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua:495>
[C]: ?
[Interface/AddOns/Blizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua]:517: in function <...lizzard_SharedXMLGame/Tooltip/TooltipDataHandler.lua:506>
[C]: in function 'SetQuestItem'
[Interface/AddOns/Blizzard_UIPanels_Game/Mainline/QuestInfo.lua]:1260: in function <...AddOns/Blizzard_UIPanels_Game/Mainline/QuestInfo.lua:1242>

Locals:
self = Frame {
Center = Texture {
}
BottomEdge = Texture {
}
mask = Texture {
}
inside = Frame {
}
RightEdge = Texture {
}
TopLeftCorner = Texture {
}
BottomRightCorner = Texture {
}
BottomLeftCorner = Texture {
}
TopRightCorner = Texture {
}
TopEdge = Texture {
}
backdropInfo =

{
}
outside = Frame {
}
LeftEdge = Texture {
}
}
width =
height =
effectiveScale = 0.640000
edgeSize = 14
(*temporary) = 0
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to perform arithmetic on local 'width' (a secret number value tainted by 'Syndicator')"
coordStart = 0.062500
textureUVs = {
BottomLeftCorner = {
}
TopEdge = {
}
BottomEdge = {
}
Center = {
}
RightEdge = {
}
TopRightCorner = {
}
TopLeftCorner = {
}
LeftEdge = {
}
BottomRightCorner = {
}
}

Anything else?

No response

[plusmouse]

Not a Syndicator bug, this comes from a fault with the Blizzard tooltips and affects any addons which add stuff to them