Error
MediaWiki version: 1.35.0-wmf.19
Argument 2 passed to LogPage::getTitleLink() must be an instance of Language or null, instance of StubUserLang given, called in /srv/mediawiki/php-1.35.0-wmf.19/includes/logging/LogPage.php on line 246
#0 /srv/mediawiki/php-1.35.0-wmf.19/includes/logging/LogPage.php(246): LogPage::getTitleLink(Title, StubUserLang) #1 /srv/mediawiki/php-1.35.0-wmf.19/includes/logging/LegacyLogFormatter.php(82): LogPage::actionText(string, string, Title, SkinVector, array, boolean) #2 /srv/mediawiki/php-1.35.0-wmf.19/includes/logging/LogFormatter.php(456): LegacyLogFormatter->getActionMessage() #3 /srv/mediawiki/php-1.35.0-wmf.19/includes/FeedUtils.php(69): LogFormatter->getActionText() #4 /srv/mediawiki/php-1.35.0-wmf.19/includes/changes/ChangesFeed.php(119): FeedUtils::formatDiff(stdClass) #5 /srv/mediawiki/php-1.35.0-wmf.19/includes/api/ApiFeedRecentChanges.php(84): ChangesFeed::buildItems(Wikimedia\Rdbms\ResultWrapper) #6 /srv/mediawiki/php-1.35.0-wmf.19/includes/api/ApiMain.php(1586): ApiFeedRecentChanges->execute() #7 /srv/mediawiki/php-1.35.0-wmf.19/includes/api/ApiMain.php(522): ApiMain->executeAction() #8 /srv/mediawiki/php-1.35.0-wmf.19/includes/api/ApiMain.php(493): ApiMain->executeActionWithErrorHandling() #9 /srv/mediawiki/php-1.35.0-wmf.19/api.php(84): ApiMain->execute() #10 /srv/mediawiki/w/api.php(3): require(string) #11 {main}
Notes
The instance of this error via LogPage.php seems to be new in 1.35-wmf.19, first seen 2012-02-13.