When attempting to move a page, I get an internal error with the following reason:
[54a0b04b1ae5eaa1b6018cc1] /w/index.php?title=Special:MovePage&action=submit TypeError from line 123 of /var/www/live/w/extensions/ArticleRatings/ArticleRatingsHooks.php: Argument 5 passed to AreHooks::onTitleMove() must be an instance of Status, none given, called in /var/www/live/w/includes/Hooks.php on line 177
Backtrace:
#0 /var/www/live/w/includes/Hooks.php(177): AreHooks::onTitleMove(Title, Title, User)
#1 /var/www/live/w/includes/Hooks.php(205): Hooks::callHook(string, array, array, NULL)
#2 /var/www/live/w/includes/MovePage.php(243): Hooks::run(string, array)
#3 /var/www/live/w/includes/specials/SpecialMovepage.php(595): MovePage->move(User, string, boolean)
#4 /var/www/live/w/includes/specials/SpecialMovepage.php(128): MovePageForm->doSubmit()
#5 /var/www/live/w/includes/specialpage/SpecialPage.php(522): MovePageForm->execute(NULL)
#6 /var/www/live/w/includes/specialpage/SpecialPageFactory.php(568): SpecialPage->run(NULL)
#7 /var/www/live/w/includes/MediaWiki.php(288): SpecialPageFactory::executePath(Title, RequestContext)
#8 /var/www/live/w/includes/MediaWiki.php(861): MediaWiki->performRequest()
#9 /var/www/live/w/includes/MediaWiki.php(524): MediaWiki->main()
#10 /var/www/live/w/index.php(42): MediaWiki->run()
#11 {main}
MasterAS on Bricki notified me of this (so it's not just me with the problem), and it appears to affect all namespaces.