Extension talk:Open Web Analytics

I tried installing this with mediawiki 1.19.1 and it makes all special pages unaccessible. 24.130.249.87 21:13, 21 July 2012 (UTC)

Fatal error on MW 1.19
Fatal error: Call to a member function addMessages on a non-object in ../wiki/extensions/owa/mw_plugin.php on line 577 --hollosch (talk) 09:03, 10 October 2012 (UTC)