Error: Incorrect function usage.
  Parameters: (Text: MapExtension..0x44adad10), nil
  Parameter types: Text, nil
Function documentation:
   Sets the current text for this element.
      Text:SetText(text)   -- string
      Text:SetText(text, html)   -- string, boolean
Parameters:
      html:   Enables HTML mode. In HTML mode, a limited number of formatting tags are available: <u>, <font color="#rrggbb">, and <a lua="print('This is a lua script.')">.
      text:   The new text for the element.
    In MapExtension / Event.Addon.Load.End - MapExtension.AE.Init, event Event.Addon.Load.End
stack traceback:
   [C]: ?
   [C]: in function 'SetText'
   MapExtension/lua/gui.lua:77: in function 'CreateCheckbox'
   MapExtension/lua/options.lua:11: in function 'Init'
   MapExtension/lua/main.lua:48: in function <MapExtension/lua/main.lua:1>

Error: MapExtension/lua/achievements.lua:53: attempt to index field 'Rare' (a nil value)
    In MapExtension / Event.Unit.Add - MapExtension.Menu.Achievements.UnitAdd, event Event.Unit.Add
stack traceback:
   [C]: in function '__index'
   MapExtension/lua/achievements.lua:53: in function <MapExtension/lua/achievements.lua:49>