WowAce

Happens whenever you enter a vehicle in combat or having an action bar transition like the one on Mchimba the Embalmer when you get entombed.

An action was blocked in combat because of taint from ShadowedUnitFrames - MainMenuBar:SetPoint()
12/15 13:10:44.220 Interface\FrameXML\UIParent.lua:2981 <unnamed>:UIParentManageFramePositions()
12/15 13:10:44.220 Interface\FrameXML\UIParent.lua:2357
12/15 13:10:44.220 <unnamed>:SetAttribute()
12/15 13:10:44.220 Interface\FrameXML\UIParent.lua:3153
12/15 13:10:44.220 UIParent_ManageFramePositions()
12/15 13:10:44.220 Interface\AddOns\Blizzard_UIWidgets\Blizzard_UIWidgetBelowMinimapFrame.lua:25 layoutFunc()
12/15 13:10:44.220 Interface\AddOns\Blizzard_UIWidgets\Blizzard_UIWidgetManager.lua:225 UIWidgetManager:UpdateWidgetSetContainerLayout()
12/15 13:10:44.220 Interface\AddOns\Blizzard_UIWidgets\Blizzard_UIWidgetManager.lua:318 UIWidgetManager:ProcessWidgetSet()
12/15 13:10:44.220 Interface\AddOns\Blizzard_UIWidgets\Blizzard_UIWidgetManager.lua:340 UIWidgetManager:UpdateAllWidgets()
12/15 13:10:44.220 Interface\AddOns\Blizzard_UIWidgets\Blizzard_UIWidgetManager.lua:33

same    i try to  unistall the addon do all the settings   aggain etc and nothing help... i will try to find another addon for  frames... sad this addon is really good but when you try to do  tortolian shooting quest or anything else where your action bar change it f... all up.

*:OnFinished:1
12/25 19:16:01.968 An action was blocked in combat because of taint from ShadowedUnitFrames - MultiBarLeft:originalShow()
12/25 19:16:01.968 Interface\FrameXML\FrameLocks.lua:97 updateFrameByState()
12/25 19:16:01.968 Interface\FrameXML\FrameLocks.lua:110 setBaseState()
12/25 19:16:01.968 Interface\FrameXML\FrameLocks.lua:132 MultiBarLeft:Show()
12/25 19:16:01.968 Interface\FrameXML\ActionBarController.lua:159 BeginActionBarTransition()
12/25 19:16:01.968 Interface\FrameXML\ActionBarController.lua:191 ValidateActionBarTransition()
12/25 19:16:01.968 <unnamed>:OnFinished()
12/25 19:16:02.094 Interface\FrameXML\UIParent.lua:2256
12/25 19:16:02.094 An action was blocked in combat because of taint from ShadowedUnitFrames - MainMenuBar:SetPoint()
12/25 19:16:02.094 Interface\FrameXML\UIParent.lua:2981 <unnamed>:UIParentManageFramePositions()
12/25 19:16:02.094 Interface\FrameXML\UIParent.lua:2357
12/25 19:16:02.094 <unnamed>:SetAttribute()
12/25 19:16:02.094 Interface\FrameXML\UIParent.lua:3153 UIParent_ManageFramePositions()
12/25 19:16:02.094 Interface\FrameXML\ExtraActionBar.lua:27
12/25 19:16:02.094 ExtraActionBarFrame:Hide()
12/25 19:16:02.094 <unnamed>:OnFinished()