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TypeError: Argument 1 passed to Title::getLanguageConverter() must be an instance of Language, instance of StubUserLang given
Closed, DuplicatePublicPRODUCTION ERROR

Description

When loading a page on mediawiki.org, it first of all shows the error page below;

Screen Shot 2020-02-05 at 2.19.58 PM.png (983×608 px, 65 KB)

After a refresh, it shows an Internal error;

Screen Shot 2020-02-05 at 2.20.12 PM.png (1,089×157 px, 23 KB)

After another refresh, it loads the page.

Details

Request ID
XjrBCApAADsAADugx7UAAABN
Request URL
https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:Cargo/Other_documentation
Stack Trace

#0 /srv/mediawiki/php-1.35.0-wmf.18/includes/Title.php(207): Title->getLanguageConverter(StubUserLang)
#1 /srv/mediawiki/php-1.35.0-wmf.18/includes/Title.php(3568): Title->getPageLanguageConverter()
#2 /srv/mediawiki/php-1.35.0-wmf.18/includes/MediaWiki.php(508): Title->getCdnUrls()
#3 /srv/mediawiki/php-1.35.0-wmf.18/includes/MediaWiki.php(304): MediaWiki->performAction(Article, Title)
#4 /srv/mediawiki/php-1.35.0-wmf.18/includes/MediaWiki.php(967): MediaWiki->performRequest()
#5 /srv/mediawiki/php-1.35.0-wmf.18/includes/MediaWiki.php(530): MediaWiki->main()
#6 /srv/mediawiki/php-1.35.0-wmf.18/index.php(46): MediaWiki->run()
#7 /srv/mediawiki/w/index.php(3): require(string)
#8 {main}

Event Timeline

xSavitar triaged this task as High priority.Feb 5 2020, 1:23 PM
xSavitar raised the priority of this task from High to Unbreak Now!.
xSavitar added a project: MediaWiki-General.
Aklapper changed the subtype of this task from "Task" to "Production Error".EditedFeb 5 2020, 1:30 PM

Hi @D3r1ck01, thanks for taking the time to report this! Please always provide text as text, and provide clear steps to reproduce.

Aklapper renamed this task from MediaWiki.org errors out with "Fatal exception of type: TypeError" until 2 refresh to TypeError: Argument 1 passed to Title::getLanguageConverter() must be an instance of Language, instance of StubUserLang given.Feb 5 2020, 1:33 PM
Aklapper lowered the priority of this task from Unbreak Now! to Needs Triage.
Aklapper set Request URL to https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:Cargo/Other_documentation.
Aklapper set Request ID to XjrBCApAADsAADugx7UAAABN.
Aklapper edited Stack Trace. (Show Details)
Aklapper edited projects, added: MediaWiki-Language-converter; removed: MediaWiki-General.