WoW Version
Retail

AddOn skin name
NA

Describe the bug
1x [ADDON_ACTION_BLOCKED] AddOn 'Skinner' tried to call the protected function 'Boss2TargetFrame:Hide()'.
[string "@!BugGrabber/BugGrabber.lua"]:481: in function <!BugGrabber/BugGrabber.lua:481>
[string "=[C]"]: in function Hide' [string "@FrameXML/TargetFrame.lua"]:123: in function Update'
[string "@FrameXML/TargetFrame.lua"]:179: in function `OnEvent'
[string "@FrameXML/UnitFrame.lua"]:1041: in function <FrameXML/UnitFrame.lua:1039>

Locals:
Skipped (In Encounter)

This is a long time error I get since DF

Are you using an UnitFrame AddOn?

If not I suggest you do so as I can't fix this issue because I don't know what's causing it.

I do use Shadowed Unit Frames