Received this when playing Evoker, trying to hit one of my spell buttons:

1x [ADDON_ACTION_BLOCKED] AddOn 'BetterWardrobe' tried to call the protected function 'MultiBarBottomRightButton1:SetShown()'. [string "@!BugGrabber/BugGrabber.lua"]:481: in function <!BugGrabber/BugGrabber.lua:481> [string "=[C]"]: in function SetShown'
[string "@FrameXML/ActionBar.lua"]:196: in function UpdateShownButtons' [string "@FrameXML/ActionButton.lua"]:469: in function UpdateAction'
[string "@FrameXML/ActionButton.lua"]:1411: in function <FrameXML/ActionButton.lua:1408>
[string "=[C]"]: ?

Locals:
_ = Frame {
RegisterEvent = defined @!BugGrabber/BugGrabber.lua:487
0 =
UnregisterEvent = defined @!BugGrabber/BugGrabber.lua:487
SetScript = defined @!BugGrabber/BugGrabber.lua:487
}
event = "ADDON_ACTION_BLOCKED"
events =

{
ADDON_ACTION_BLOCKED = defined @!BugGrabber/BugGrabber.lua:553
ADDON_ACTION_FORBIDDEN = defined @!BugGrabber/BugGrabber.lua:553
PLAYER_LOGIN = defined @!BugGrabber/BugGrabber.lua:547
LUA_WARNING = defined @!BugGrabber/BugGrabber.lua:562
ADDON_LOADED = defined @!BugGrabber/BugGrabber.lua:507
}
`