=== Error ===
`MediaWiki version:` **`1.35.0-wmf.32`**
```name=message
Call to a member function inNamespace() on null
```
```name=exception.trace,lines=10
#0 /srv/mediawiki/php-1.35.0-wmf.32/extensions/WikibaseMediaInfo/src/Content/MediaInfoHandler.php(154): Wikibase\MediaInfo\Services\FilePageLookup->getFilePage(Wikibase\MediaInfo\DataModel\MediaInfoId)
#1 /srv/mediawiki/php-1.35.0-wmf.32/extensions/Wikibase/repo/includes/Store/Sql/WikiPageEntityStore.php(160): Wikibase\MediaInfo\Content\MediaInfoHandler->canCreateWithCustomId(Wikibase\MediaInfo\DataModel\MediaInfoId)
#2 /srv/mediawiki/php-1.35.0-wmf.32/extensions/Wikibase/lib/includes/Store/TypeDispatchingEntityStore.php(180): Wikibase\Repo\Store\Sql\WikiPageEntityStore->canCreateWithCustomId(Wikibase\MediaInfo\DataModel\MediaInfoId)
#3 /srv/mediawiki/php-1.35.0-wmf.32/extensions/Wikibase/repo/includes/Api/EntitySavingHelper.php(199): Wikibase\Lib\Store\TypeDispatchingEntityStore->canCreateWithCustomId(Wikibase\MediaInfo\DataModel\MediaInfoId)
#4 /srv/mediawiki/php-1.35.0-wmf.32/extensions/Wikibase/repo/includes/Api/SetClaim.php(124): Wikibase\Repo\Api\EntitySavingHelper->loadEntity(Wikibase\MediaInfo\DataModel\MediaInfoId)
#5 /srv/mediawiki/php-1.35.0-wmf.32/includes/api/ApiMain.php(1580): Wikibase\Repo\Api\SetClaim->execute()
#6 /srv/mediawiki/php-1.35.0-wmf.32/includes/api/ApiMain.php(523): ApiMain->executeAction()
#7 /srv/mediawiki/php-1.35.0-wmf.32/includes/api/ApiMain.php(494): ApiMain->executeActionWithErrorHandling()
#8 /srv/mediawiki/php-1.35.0-wmf.32/api.php(84): ApiMain->execute()
#9 /srv/mediawiki/w/api.php(3): require(string)
#10 {main}
```
=== Impact ===
User action was lost or aborted.
=== Notes ===
* Seemed to be one small burst in the past 24 hours
* Happens in a few bursts per week
Looking for `"FilePageLookup.php: Call to a member function inNamespace() on null"` in Logstash suggests it started 14 May with the deployment of 1.35.0-wmf.32, it was not seen prior to that.