=== Error ===
`MediaWiki version:` **`1.36.0-wmf.11`**
```name=message
PHP Notice: Undefined index: href
```
```name=exception.trace,lines=10
#0 /srv/mediawiki/php-1.36.0-wmf.11/extensions/ContentTranslation/specials/ContentTranslationSpecialPage.php(180): MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.36.0-wmf.11/extensions/ContentTranslation/specials/ContentTranslationSpecialPage.php(97): ContentTranslationSpecialPage->getPersonalMenuList(array)
#2 /srv/mediawiki/php-1.36.0-wmf.11/extensions/ContentTranslation/specials/ContentTranslationSpecialPage.php(45): ContentTranslationSpecialPage->createHeaderHtml()
#3 /srv/mediawiki/php-1.36.0-wmf.11/includes/specialpage/SpecialPage.php(600): ContentTranslationSpecialPage->execute(NULL)
#4 /srv/mediawiki/php-1.36.0-wmf.11/includes/specialpage/SpecialPageFactory.php(709): SpecialPage->run(NULL)
#5 /srv/mediawiki/php-1.36.0-wmf.11/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext)
#6 /srv/mediawiki/php-1.36.0-wmf.11/includes/MediaWiki.php(940): MediaWiki->performRequest()
#7 /srv/mediawiki/php-1.36.0-wmf.11/includes/MediaWiki.php(543): MediaWiki->main()
#8 /srv/mediawiki/php-1.36.0-wmf.11/index.php(53): MediaWiki->run()
#9 /srv/mediawiki/php-1.36.0-wmf.11/index.php(46): wfIndexMain()
#10 /srv/mediawiki/w/index.php(3): require(string)
#11 {main}
```
=== Impact ===
Tha issue can be experienced by accessing [[ https://en.wikipedia.org/wiki/Special:ContentTranslationStats | the Translation stats page ]] while logged-out and clicking in "Not logged in" option from the personal toolbar menu. A a result, the user is redirected to [[ https://en.wikipedia.org/wiki/Null | the Null article ]].
Happening somewhat regularly on multiple Wikipedia wikis
=== Notes ===