What steps will reproduce the problem?
1. set a focus target
2. right-click on wow standard focus frame and select clear focus (I use the standard wow player, target and focus frames)
3.

What is the expected output? What do you see instead?
focus to clear and frame to disappear.

focus doesn't clear and produces the error below. I have to clear my focus using /clearfocus

What version of the product are you using?
v1.63

Do you have an error log of what happened?
Message: Error: AddOn WinterTime attempted to call a forbidden function (ClearFocus()) from a tainted execution path.
Debug:
   [C]: ClearFocus()
   ..\FrameXML\UnitPopup.lua:1182 func()
   ..\FrameXML\UIDropDownMenu.lua:561 UIDropDownMenuButton_OnClick()
   [string "*:OnClick"]:1:
      [string "*:OnClick"]:1

Please provide any additional information below.