public function getBoolean(name:String, def:Boolean):Boolean
      {
        if (_init == null)
          return def;
     
        if (!_init.hasOwnProperty(name))
          return def;
     
        var result:Boolean = _init[name];

        delete _init[name];
     
        return result;
      }

Hey guys can you know WHAT this bug?

It happens when I add a sprite that contains a view3D in a container application.

I use FlashBuilder 4.5 with SDK 4.5

Help me.