I can't view the page https://en.wikipedia.org/wiki/Draft:Richard_L._Greene. View source and history work fine, null edits don't fix the issue. Originally reported on enwiki AN.
MediaWiki version: 1.36.0-wmf.20
Argument 1 passed to User::equals() must implement interface MediaWiki\User\UserIdentity, null given, called in /srv/mediawiki/php-1.36.0-wmf.20/extensions/PageTriage/includes/Hooks.php on line 436
#0 /srv/mediawiki/php-1.36.0-wmf.20/extensions/PageTriage/includes/Hooks.php(436): User->equals(NULL)
#1 /srv/mediawiki/php-1.36.0-wmf.20/includes/HookContainer/HookContainer.php(333): MediaWiki\Extension\PageTriage\Hooks::onArticleViewFooter(Article, boolean)
#2 /srv/mediawiki/php-1.36.0-wmf.20/includes/HookContainer/HookContainer.php(140): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#3 /srv/mediawiki/php-1.36.0-wmf.20/includes/HookContainer/HookRunner.php(880): MediaWiki\HookContainer\HookContainer->run(string, array)
#4 /srv/mediawiki/php-1.36.0-wmf.20/includes/page/Article.php(1156): MediaWiki\HookContainer\HookRunner->onArticleViewFooter(Article, boolean)
#5 /srv/mediawiki/php-1.36.0-wmf.20/includes/page/Article.php(594): Article->showViewFooter()
#6 /srv/mediawiki/php-1.36.0-wmf.20/includes/actions/ViewAction.php(74): Article->view()
#7 /srv/mediawiki/php-1.36.0-wmf.20/includes/MediaWiki.php(532): ViewAction->show()
#8 /srv/mediawiki/php-1.36.0-wmf.20/includes/MediaWiki.php(316): MediaWiki->performAction(Article, Title)
#9 /srv/mediawiki/php-1.36.0-wmf.20/includes/MediaWiki.php(945): MediaWiki->performRequest()
#10 /srv/mediawiki/php-1.36.0-wmf.20/includes/MediaWiki.php(548): MediaWiki->main()
#11 /srv/mediawiki/php-1.36.0-wmf.20/index.php(53): MediaWiki->run()
#12 /srv/mediawiki/php-1.36.0-wmf.20/index.php(46): wfIndexMain()
#13 /srv/mediawiki/w/index.php(3): require(string)
#14 {main}