2012-08-21 20:25:13: [4d848ff6] /wiki/Special:EditWatchlist Exception from line 340 of /www/w/includes/Message.php: Message::inLanguage must be passed a String or Language object; boolean given
#0 /www/w/includes/Linker.php(1589): Message->inLanguage(false)
#1 /www/w/includes/specials/SpecialEditWatchlist.php(513): Linker::tocList('?<ul>?<li class...')
#2 /www/w/includes/specials/SpecialEditWatchlist.php(113): SpecialEditWatchlist->getNormalForm()
Possibly caused by https://gerrit.wikimedia.org/r/#/q/project:mediawiki/core+branch:master+topic:bug/20483,n,z aka Gerrit change #9979 aka bug 20483 and bug 32151.
Special:EditWatchlist/raw still works.
Version: 1.20.x
Severity: critical