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WikiBase: LinkedData/EntityDataRequestHandler.php: PHP Warning: Undefined array key 1
Closed, DuplicatePublicPRODUCTION ERROR

Description

Error
labels.normalized_message
[{reqId}] {exception_url}   PHP Warning: Undefined array key 1
FrameLocationCall
from/srv/mediawiki/php-1.44.0-wmf.24/includes/libs/http/HttpAcceptParser.php(43)
#0/srv/mediawiki/php-1.44.0-wmf.24/includes/libs/http/HttpAcceptParser.php(43)MediaWiki\Exception\MWExceptionHandler::handleError(int, string, string, int)
#1/srv/mediawiki/php-1.44.0-wmf.24/includes/libs/http/HttpAcceptParser.php(100)Wikimedia\Http\HttpAcceptParser->parseAccept(string)
#2/srv/mediawiki/php-1.44.0-wmf.24/extensions/Wikibase/repo/includes/LinkedData/EntityDataRequestHandler.php(349)Wikimedia\Http\HttpAcceptParser->parseWeights(string)
#3/srv/mediawiki/php-1.44.0-wmf.24/extensions/Wikibase/repo/includes/LinkedData/EntityDataRequestHandler.php(248)Wikibase\Repo\LinkedData\EntityDataRequestHandler->httpContentNegotiation(MediaWiki\Request\WebRequest, MediaWiki\Output\OutputPage, Wikibase\MediaInfo\DataModel\MediaInfoId, int)
#4/srv/mediawiki/php-1.44.0-wmf.24/extensions/Wikibase/repo/includes/Specials/SpecialEntityData.php(112)Wikibase\Repo\LinkedData\EntityDataRequestHandler->handleRequest(string, MediaWiki\Request\WebRequest, MediaWiki\Output\OutputPage)
#5/srv/mediawiki/php-1.44.0-wmf.24/includes/specialpage/SpecialPage.php(729)Wikibase\Repo\Specials\SpecialEntityData->execute(string)
#6/srv/mediawiki/php-1.44.0-wmf.24/includes/specialpage/SpecialPageFactory.php(1738)MediaWiki\SpecialPage\SpecialPage->run(string)
#7/srv/mediawiki/php-1.44.0-wmf.24/includes/actions/ActionEntryPoint.php(499)MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, MediaWiki\Context\RequestContext)
#8/srv/mediawiki/php-1.44.0-wmf.24/includes/actions/ActionEntryPoint.php(143)MediaWiki\Actions\ActionEntryPoint->performRequest()
#9/srv/mediawiki/php-1.44.0-wmf.24/includes/MediaWikiEntryPoint.php(202)MediaWiki\Actions\ActionEntryPoint->execute()
#10/srv/mediawiki/php-1.44.0-wmf.24/index.php(58)MediaWiki\MediaWikiEntryPoint->run()
#11/srv/mediawiki/w/index.php(3)require(string)
#12{main}
Notes

Seeing a few of these in 1.44.0-wmf.24 (T386219).

Details

Request URL
https://commons.wikimedia.org/wiki/Special:EntityData/M56580279