#0 /srv/mediawiki/php-1.35.0-wmf.36/includes/title/NamespaceInfo.php(189): NamespaceInfo->makeValidNamespace(string, string)
#1 /srv/mediawiki/php-1.35.0-wmf.36/includes/changes/ChangesList.php(246): NamespaceInfo->isTalk(string)
#2 /srv/mediawiki/php-1.35.0-wmf.36/includes/changes/ChangesList.php(224): ChangesList->getHTMLClassesForFilters(RecentChange)
#3 /srv/mediawiki/php-1.35.0-wmf.36/includes/changes/OldChangesList.php(37): ChangesList->getHTMLClasses(RecentChange, boolean)
#4 /srv/mediawiki/php-1.35.0-wmf.36/includes/specials/SpecialRecentChanges.php(440): OldChangesList->recentChangesLine(RecentChange, boolean, integer)
#5 /srv/mediawiki/php-1.35.0-wmf.36/includes/specialpage/ChangesListSpecialPage.php(1659): SpecialRecentChanges->outputChangesList(Wikimedia\Rdbms\ResultWrapper, FormOptions)
#6 /srv/mediawiki/php-1.35.0-wmf.36/includes/specialpage/ChangesListSpecialPage.php(671): ChangesListSpecialPage->webOutput(Wikimedia\Rdbms\ResultWrapper, FormOptions)
#7 /srv/mediawiki/php-1.35.0-wmf.36/includes/specials/SpecialRecentChanges.php(164): ChangesListSpecialPage->execute(NULL)
#8 /srv/mediawiki/php-1.35.0-wmf.36/includes/specialpage/SpecialPage.php(580): SpecialRecentChanges->execute(NULL)
#9 /srv/mediawiki/php-1.35.0-wmf.36/includes/specialpage/SpecialPageFactory.php(634): SpecialPage->run(NULL)
#10 /srv/mediawiki/php-1.35.0-wmf.36/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext)
#11 /srv/mediawiki/php-1.35.0-wmf.36/includes/MediaWiki.php(986): MediaWiki->performRequest()
#12 /srv/mediawiki/php-1.35.0-wmf.36/includes/MediaWiki.php(543): MediaWiki->main()
#13 /srv/mediawiki/php-1.35.0-wmf.36/index.php(47): MediaWiki->run()
#14 /srv/mediawiki/w/index.php(3): require(string)
#15 {main}