=== Error ===
`MediaWiki version:` **`1.35.0-wmf.15`**
```name=message
PHP Warning: in_array() expects parameter 2 to be array, null given
```
```name=exception.trace,lines=10
#0 [internal function]: MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.35.0-wmf.15/extensions/CentralAuth/includes/GlobalRename/GlobalRenameBlacklist.php(124): in_array(string, NULL, boolean)
#2 /srv/mediawiki/php-1.35.0-wmf.15/extensions/CentralAuth/includes/specials/SpecialGlobalRenameRequest.php(40): GlobalRenameBlacklist->checkUser(User)
#3 /srv/mediawiki/php-1.35.0-wmf.15/includes/specialpage/SpecialPage.php(316): SpecialGlobalRenameRequest->userCanExecute(User)
#4 /srv/mediawiki/php-1.35.0-wmf.15/includes/specialpage/FormSpecialPage.php(207): SpecialPage->checkPermissions()
#5 /srv/mediawiki/php-1.35.0-wmf.15/includes/specialpage/FormSpecialPage.php(179): FormSpecialPage->checkExecutePermissions(User)
#6 /srv/mediawiki/php-1.35.0-wmf.15/extensions/CentralAuth/includes/specials/SpecialGlobalRenameRequest.php(98): FormSpecialPage->execute(NULL)
#7 /srv/mediawiki/php-1.35.0-wmf.15/includes/specialpage/SpecialPage.php(575): SpecialGlobalRenameRequest->execute(NULL)
#8 /srv/mediawiki/php-1.35.0-wmf.15/includes/specialpage/SpecialPageFactory.php(611): SpecialPage->run(NULL)
#9 /srv/mediawiki/php-1.35.0-wmf.15/includes/MediaWiki.php(298): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#10 /srv/mediawiki/php-1.35.0-wmf.15/includes/MediaWiki.php(967): MediaWiki->performRequest()
#11 /srv/mediawiki/php-1.35.0-wmf.15/includes/MediaWiki.php(530): MediaWiki->main()
#12 /srv/mediawiki/php-1.35.0-wmf.15/index.php(46): MediaWiki->run()
#13 /srv/mediawiki/w/index.php(3): require(string)
#14 {main}
```
=== Impact ===
Happened once so far in this week's train. Probably not a huge problem, but seems like a clear programming error, so I report it so it doesn't get overlooked.
=== Notes ===