Thread:Project:Current issues/php update.php fails : LoadBalancer.php error at line 700

Mysql version:5.5.34, for debian-linux-gnu (x86_64) using readline 6.2 Mediawiki: 1.21.0 PHP: PHP 5.5.5-1+debphp.org~precise+2 (cli) (built: Oct 28 2013 12:57:03)

php update.php MediaWiki 1.21.2 Updater

PHP Fatal error: Call to a member function setLBInfo on a non-object in /var/www/mediawiki/includes/db/LoadBalancer.php on line 700

Fatal error: Call to a member function setLBInfo on a non-object in /var/www/mediawiki/includes/db/LoadBalancer.php on line 700

Any help appreciated