##### Error
Request ID: `XWVOvApAMFUAAL8av3sAAAAG`
Request URL: www.mediawiki.org/wiki/Category:Help
```name=message
[XWVOvApAMFUAAL8av3sAAAAG] /wiki/Category:Help PHP Fatal Error from line 115 of /srv/mediawiki/php-1.34.0-wmf.20/includes/gallery/TraditionalImageGallery.php: Argument 2 passed to MediaWiki\BadFileLookup::isBadFile() must implement interface MediaWiki\Linker\LinkTarget, bool given
```
```name=trace,lines=10
#0 /srv/mediawiki/php-1.34.0-wmf.20/includes/gallery/TraditionalImageGallery.php(115): NO_FUNCTION_GIVEN()
#1 /srv/mediawiki/php-1.34.0-wmf.20/includes/CategoryViewer.php(472): TraditionalImageGallery->toHTML()
#2 /srv/mediawiki/php-1.34.0-wmf.20/includes/CategoryViewer.php(120): CategoryViewer->getImageSection()
#3 /srv/mediawiki/php-1.34.0-wmf.20/includes/page/CategoryPage.php(117): CategoryViewer->getHTML()
#4 /srv/mediawiki/php-1.34.0-wmf.20/includes/page/CategoryPage.php(72): CategoryPage->closeShowCategory()
#5 /srv/mediawiki/php-1.34.0-wmf.20/includes/actions/ViewAction.php(63): CategoryPage->view()
#6 /srv/mediawiki/php-1.34.0-wmf.20/includes/MediaWiki.php(507): ViewAction->show()
#7 /srv/mediawiki/php-1.34.0-wmf.20/includes/MediaWiki.php(302): MediaWiki->performAction(CategoryTreeCategoryPage, Title)
#8 /srv/mediawiki/php-1.34.0-wmf.20/includes/MediaWiki.php(892): MediaWiki->performRequest()
#9 /srv/mediawiki/php-1.34.0-wmf.20/includes/MediaWiki.php(523): MediaWiki->main()
#10 /srv/mediawiki/php-1.34.0-wmf.20/index.php(42): MediaWiki->run()
#11 /srv/mediawiki/w/index.php(3): include(string)
#12 {main}
```
##### Impact
14 hits in the last hour, 20 in the last 4 hours, not seen before that.
##### Notes
Since it's a new error, it's blocking the train.