When installing mw on postgre I get a blank page, in error log I see:
PHP Fatal error: Call to undefined method Status::clearFlag() in /home/petanb/Documents/mediawiki/core/includes/installer/PostgresInstaller.php on line 191, referer: http://localhost/test/w/mw-config/index.php?page=DBConnect
Version: 1.24rc
Severity: normal