Received this in Arena Skirmish that prevented using abilities

2x [ADDON_ACTION_BLOCKED] AddOn 'OmniBar' tried to call the protected function 'MultiBarRight:ShowBase()'.
[string "@!BugGrabber/BugGrabber.lua"]:480: in function <!BugGrabber/BugGrabber.lua:480>
[string "=[C]"]: in function ShowBase' [string "@FrameXML/ActionBar.lua"]:347: in function UpdateVisibility'
[string "@FrameXML/ActionBar.lua"]:310: in function ShowOverride' [string "@FrameXML/ActionBar.lua"]:300: in function SetShown'
[string "@FrameXML/MultiActionBars.lua"]:32: in function <FrameXML/MultiActionBars.lua:30>
[string "@FrameXML/MultiActionBars.lua"]:43: in function MultiActionBar_Update' [string "@FrameXML/ActionBarController.lua"]:215: in function ValidateActionBarTransition'
[string "@FrameXML/ActionBarController.lua"]:161: in function `ActionBarController_UpdateAll'
[string "@FrameXML/ActionBarController.lua"]:66: in function <FrameXML/ActionBarController.lua:55>