Error
MediaWiki version: 1.37.0-wmf.7
PHP Notice: Array to string conversion from /srv/mediawiki/php-1.37.0-wmf.7/languages/Language.php(3522) #0 [internal function]: MWExceptionHandler::handleError(integer, string, string, integer, array) #1 /srv/mediawiki/php-1.37.0-wmf.7/languages/Language.php(3522): implode(string, array) #2 /srv/mediawiki/php-1.37.0-wmf.7/includes/actions/InfoAction.php(771): Language->commaList(array) #3 /srv/mediawiki/php-1.37.0-wmf.7/includes/actions/InfoAction.php(505): InfoAction->getNamespaceProtectionMessage(Title) #4 /srv/mediawiki/php-1.37.0-wmf.7/includes/actions/InfoAction.php(129): InfoAction->pageInfo() #5 /srv/mediawiki/php-1.37.0-wmf.7/includes/actions/FormlessAction.php(48): InfoAction->onView() #6 /srv/mediawiki/php-1.37.0-wmf.7/includes/MediaWiki.php(536): FormlessAction->show() #7 /srv/mediawiki/php-1.37.0-wmf.7/includes/MediaWiki.php(320): MediaWiki->performAction(Article, Title) #8 /srv/mediawiki/php-1.37.0-wmf.7/includes/MediaWiki.php(917): MediaWiki->performRequest() #9 /srv/mediawiki/php-1.37.0-wmf.7/includes/MediaWiki.php(551): MediaWiki->main() #10 /srv/mediawiki/php-1.37.0-wmf.7/index.php(53): MediaWiki->run() #11 /srv/mediawiki/php-1.37.0-wmf.7/index.php(46): wfIndexMain() #12 /srv/mediawiki/w/index.php(3): require(string) #13 {main}
Impact
Guess: "Array" displayed on an interface message on action=info on pages for some namespaces on some wikis.