==== Impact ====
Unable to save certain edits.
==== Notes ====
Logs so far indicate it affects both Wikimedia Commons and Meta-Wiki. It was not seen before this week.
==== Error ====
* mwversion: `1.39.0-wmf.4`
* reqId: `8f12c352-cf1d-42df-9fcc-4e6f4381dd98`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2022-03-22T19:57:01.000Z',to:'2022-03-23T22:35:17.735Z'))&_a=(query:(query_string:(query:'reqId:%228f12c352-cf1d-42df-9fcc-4e6f4381dd98%22'))) | Find reqId in Logstash ]]
```name=normalized_message
```
```name=e[{reqId}] {exception_url} MediaWiki\Revision\IncompleteRevisionException.trace,lines=10
: rev_page field must not be 0!
```
==== Impact ====
==== Notes ====
```name=exception.trace,lines=10
from /srv/mediawiki/php-1.39.0-wmf.4/includes/Revision/RevisionStore.php(417)
#0 /srv/mediawiki/php-1.39.0-wmf.4/includes/Revision/RevisionStore.php(478): MediaWiki\Revision\RevisionStore->failOnEmpty(integer, string)
#1 /srv/mediawiki/php-1.39.0-wmf.4/includes/Storage/PageUpdater.php(1332): MediaWiki\Revision\RevisionStore->insertRevisionOn(MediaWiki\Revision\MutableRevisionRecord, Wikimedia\Rdbms\DBConnRef)
#2 /srv/mediawiki/php-1.39.0-wmf.4/includes/Storage/PageUpdater.php(909): MediaWiki\Storage\PageUpdater->doModify(CommentStoreComment)
#3 /srv/mediawiki/php-1.39.0-wmf.4/includes/EditPage.php(2378): MediaWiki\Storage\PageUpdater->saveRevision(CommentStoreComment, integer)
#4 /srv/mediawiki/php-1.39.0-wmf.4/includes/EditPage.php(1694): EditPage->internalAttemptSave(array, boolean, boolean)
#5 /srv/mediawiki/php-1.39.0-wmf.4/includes/EditPage.php(650): EditPage->attemptSave(array)
#6 /srv/mediawiki/php-1.39.0-wmf.4/includes/actions/EditAction.php(71): EditPage->edit()
#7 /srv/mediawiki/php-1.39.0-wmf.4/includes/actions/SubmitAction.php(38): EditAction->show()
#8 /srv/mediawiki/php-1.39.0-wmf.4/includes/MediaWiki.php(545): SubmitAction->show()
#9 /srv/mediawiki/php-1.39.0-wmf.4/includes/MediaWiki.php(321): MediaWiki->performAction(Article, Title)
#10 /srv/mediawiki/php-1.39.0-wmf.4/includes/MediaWiki.php(911): MediaWiki->performRequest()
#11 /srv/mediawiki/php-1.39.0-wmf.4/includes/MediaWiki.php(565): MediaWiki->main()
#12 /srv/mediawiki/php-1.39.0-wmf.4/index.php(53): MediaWiki->run()
#13 /srv/mediawiki/php-1.39.0-wmf.4/index.php(46): wfIndexMain()
#14 /srv/mediawiki/w/index.php(3): require(string)
#15 {main}
```