[2ceb7a4259bbe64588b1c7ac] /mediawiki/ LogicException from line 390 of /var/www/mediawiki/includes/cache/MessageCache.php: Process cache for 'en' should be set by now.

Backtrace:

#0 /var/www/mediawiki/includes/cache/MessageCache.php(1070): MessageCache->load(string)
#1 /var/www/mediawiki/includes/cache/MessageCache.php(997): MessageCache->getMsgFromNamespace(string, string)
#2 /var/www/mediawiki/includes/cache/MessageCache.php(967): MessageCache->getMessageForLang(LanguageEn, string, boolean, array)
#3 /var/www/mediawiki/includes/cache/MessageCache.php(909): MessageCache->getMessageFromFallbackChain(LanguageEn, string, boolean)
#4 /var/www/mediawiki/includes/language/Message.php(1301): MessageCache->get(string, boolean, LanguageEn)
#5 /var/www/mediawiki/includes/language/Message.php(856): Message->fetchMessage()
#6 /var/www/mediawiki/includes/language/Message.php(948): Message->toString(string)
#7 /var/www/mediawiki/includes/Title.php(671): Message->text()
#8 /var/www/mediawiki/includes/MediaWiki.php(122): Title::newMainPage()
#9 /var/www/mediawiki/includes/MediaWiki.php(142): MediaWiki->parseTitle()
#10 /var/www/mediawiki/includes/MediaWiki.php(883): MediaWiki->getTitle()
#11 /var/www/mediawiki/includes/MediaWiki.php(530): MediaWiki->main()
#12 /var/www/mediawiki/index.php(47): MediaWiki->run()
#13 {main}