phpbb/phpbb — pull request #2062 by nickvergessen (2014-02-27 09:02:17+00:00)
Title: [ticket/12194] Ensure that field_show_novalue is present

The field was not created on boards that were 3.1-dev before 3.0.11 was relesed

http://tracker.phpbb.com/browse/PHPBB3-12194