mmorpgforum.net - SQL errors at top of page

At the very top of the WCM front page, before the languages/links bar, this shows up, but NOT 100% of the time. I refreshed the page a bunch of times and it seemed only like every 10-20 seconds this error would show up;

Code:

Warning: Memcache::connect() [memcache.connect]: Can't connect to localhost:11211, Can't assign requested address (49) in /usr/local/www/wcm/mysql.php on line 134



Warning: Memcache::get() [memcache.get]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 151



Warning: Memcache::get() [memcache.get]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 182



Warning: Memcache::set() [memcache.set]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 217



Warning: Memcache::get() [memcache.get]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 151



Warning: Memcache::get() [memcache.get]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 182



Warning: Memcache::set() [memcache.set]: Failed to extract 'connection' variable from object in /usr/local/www/wcm/mysql.php on line 217