Page MenuHomePhabricator

Multiple links on MediaWiki throwing : Fatal exception of type "TypeError"
Closed, DuplicatePublicPRODUCTION ERROR


Steps to Reproduce:
Go to
Click on "Get Extensions" or "Contribute" or "FAQ" etc. in the sidebar
However, if you refresh the page, the error goes away.

Exception ID: XjrqvApAIC4AAGbYhCMAAABM

Link to kibana error:*/logstash-deploy-2020.02.05/mediawiki?id=AXAWJPTSarkxubcmtOZw&_g=h@44136fa

"Argument 1 passed to Title::getLanguageConverter() must be an instance of Language, instance of StubUserLang given, called in /srv/mediawiki/php-1.35.0-wmf.18/includes/Title.php on line 207"

Actual Results:

Fatal exception of type "TypeError"

Expected Results:

Directed to page.

Event Timeline

nnikkhoui triaged this task as Unbreak Now! priority.Feb 5 2020, 4:15 PM
nnikkhoui updated the task description. (Show Details)

This is duplicate of T244300. A hotfix has been made already.

(If anyone is sure that this is a duplicate, then feel free to Edit Related Tasks...Close As Duplicate in the upper right corner. Thanks.)

Aklapper changed the subtype of this task from "Bug Report" to "Production Error".

(Switching task type to "Production error"; adding code project; marking as duplicate)