Opengraph Error

/*if ($images !== null) {
   foreach ($images as $image) {
      self::addOpengraph('og:image', $image, true);
   }
}*/

                case 'website':
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=frontpage'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=groups&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=photos&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=videos&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=events&task=display'), true);
                    self::addOpengraph('og:site_name', JFactory::getConfig()->get('sitename'));
                    break;

case 'profile':
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=frontpage'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=groups&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=photos&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=videos&task=display'), true);
                    self::addOpengraph('og:see_also', CRoute::_('index.php?option=com_community&view=events&task=display'), true);
                    self::addOpengraph('og:site_name', JFactory::getConfig()->get('sitename'));
                    break;
            }