I have the attitude that I want the really big window. When I open it, this error message always appears.
But even if I switch it to a small window, I always get the error message when the window is opened:

3x BetterWardrobe\Plugins\MogIt.lua:34: attempt to index global 'BetterWardrobe_Mogitdata' (a nil value)
[string "@BetterWardrobe\Plugins\MogIt.lua"]:34: in function <BetterWardrobe\Plugins\MogIt.lua:30>
[string "@BetterWardrobe\Plugins\MogIt.lua"]:53: in function GetMogitOutfits' [string "@BetterWardrobe\Modules\SavedOutfits.lua"]:87: in function <...rfaceBetterWardrobe\Modules\SavedOutfits.lua:47> [string "@BetterWardrobe\Modules\SavedOutfits.lua"]:123: in function LookupIndexFromID'
[string "@BetterWardrobe\Modules\SavedOutfits.lua"]:134: in function <...rfaceBetterWardrobe\Modules\SavedOutfits.lua:133>
[string "@BetterWardrobe\Modules\SavedOutfits.lua"]:307: in function SelectOutfit' [string "@BetterWardrobe\Modules\SavedOutfits.lua"]:263: in function <...rfaceBetterWardrobe\Modules\SavedOutfits.lua:260> [string "=[C]"]: in function Show'
[string "@FrameXML\UIParent.lua"]:2928: in function SetUIPanel' [string "@FrameXML\UIParent.lua"]:2773: in function ShowUIPanel'
[string "@FrameXML\UIParent.lua"]:2641: in function <FrameXML\UIParent.lua:2637>
[string "=[C]"]: in function SetAttribute' [string "@FrameXML\UIParent.lua"]:3492: in function ShowUIPanel'
[string "@FrameXML\UIParent.lua"]:2083: in function <FrameXML\UIParent.lua:1287>
[string "=[C]"]: in function `TurnOrActionStop'
[string "TURNORACTION"]:4: in function <[string "TURNORACTION"]:1>

Locals:
name = "mutanzoom"
realm = "Shattrath"
profileName = "mutanzoom - Shattrath"
(*temporary) = nil
(*temporary) = "Shattrath"
(*temporary) = "attempt to index global 'BetterWardrobe_Mogitdata' (a nil value)"