[{exception_id}] {exception_url} MWException from line 644 of /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/LogFormatter.php: Expected title, got null

#0 /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/MoveLogFormatter.php(52): LogFormatter->makePageLink(NULL)
#1 /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/LogFormatter.php(461): MoveLogFormatter->getMessageParameters()
#2 /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/LogFormatter.php(436): LogFormatter->getActionMessage()
#3 /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/LogEventsList.php(389): LogFormatter->getActionText()
#4 /srv/mediawiki/php-1.31.0-wmf.20/includes/logging/LogPager.php(366): LogEventsList->logLine(stdClass)
#5 /srv/mediawiki/php-1.31.0-wmf.20/includes/pager/IndexPager.php(445): LogPager->formatRow(stdClass)
#6 /srv/mediawiki/php-1.31.0-wmf.20/includes/specials/SpecialLog.php(209): IndexPager->getBody()
#7 /srv/mediawiki/php-1.31.0-wmf.20/includes/specials/SpecialLog.php(111): SpecialLog->show(FormOptions, array)
#8 /srv/mediawiki/php-1.31.0-wmf.20/includes/specialpage/SpecialPage.php(522): SpecialLog->execute(string)
#9 /srv/mediawiki/php-1.31.0-wmf.20/includes/specialpage/SpecialPageFactory.php(579): SpecialPage->run(string)
#10 /srv/mediawiki/php-1.31.0-wmf.20/includes/MediaWiki.php(288): SpecialPageFactory::executePath(Title, RequestContext)
#11 /srv/mediawiki/php-1.31.0-wmf.20/includes/MediaWiki.php(858): MediaWiki->performRequest()
#12 /srv/mediawiki/php-1.31.0-wmf.20/includes/MediaWiki.php(524): MediaWiki->main()
#13 /srv/mediawiki/php-1.31.0-wmf.20/index.php(42): MediaWiki->run()
#14 /srv/mediawiki/w/index.php(3): include(string)
#15 {main}