Internal error
[a6ba10fa46320108dba938d7] /index.php?title=Change_Log&diff=8599&oldid=5491&printable=yes UnexpectedValueException from line 486 of /data/mediawiki/mediawiki-1.35.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php: Invalid server index index #DB_SLAVE
Backtrace:
#0 /data/mediawiki/mediawiki-1.35.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(899): Wikimedia\Rdbms\LoadBalancer->getConnectionIndex()
#1 /data/mediawiki/mediawiki-1.35.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1046): Wikimedia\Rdbms\LoadBalancer->getConnection()
#2 /data/mediawiki/mediawiki-1.35.1/includes/GlobalFunctions.php(2469): Wikimedia\Rdbms\LoadBalancer->getMaintenanceConnectionRef()
#3 /data/mediawiki/mediawiki-1.35.1/extensions/ExternalData/ED_Utils.php(894): wfGetDB()
#4 /data/mediawiki/mediawiki-1.35.1/extensions/ExternalData/ED_Utils.php(1012): EDUtils::fetchURL()
#5 /data/mediawiki/mediawiki-1.35.1/extensions/ExternalData/ED_ParserFunctions.php(133): EDUtils::getDataFromURL()
#6 /data/mediawiki/mediawiki-1.35.1/includes/parser/Parser.php(3340): EDParserFunctions::doGetWebData()
#7 /data/mediawiki/mediawiki-1.35.1/includes/parser/Parser.php(3047): Parser->callParserFunction()
#8 /data/mediawiki/mediawiki-1.35.1/includes/parser/PPFrame_Hash.php(253): Parser->braceSubstitution()
#9 /data/mediawiki/mediawiki-1.35.1/includes/parser/Parser.php(2887): PPFrame_Hash->expand()
#10 /data/mediawiki/mediawiki-1.35.1/includes/parser/Parser.php(1556): Parser->replaceVariables()
#11 /data/mediawiki/mediawiki-1.35.1/includes/parser/Parser.php(651): Parser->internalParse()
#12 /data/mediawiki/mediawiki-1.35.1/includes/content/WikitextContent.php(374): Parser->parse()
#13 /data/mediawiki/mediawiki-1.35.1/includes/content/AbstractContent.php(590): WikitextContent->fillParserOutput()
#14 /data/mediawiki/mediawiki-1.35.1/includes/Revision/RenderedRevision.php(263): AbstractContent->getParserOutput()
#15 /data/mediawiki/mediawiki-1.35.1/includes/Revision/RenderedRevision.php(235): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#16 /data/mediawiki/mediawiki-1.35.1/includes/Revision/RevisionRenderer.php(215): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#17 /data/mediawiki/mediawiki-1.35.1/includes/Revision/RevisionRenderer.php(152): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#18 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#19 /data/mediawiki/mediawiki-1.35.1/includes/Revision/RenderedRevision.php(197): call_user_func()
#20 /data/mediawiki/mediawiki-1.35.1/includes/poolcounter/PoolWorkArticleView.php(216): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#21 /data/mediawiki/mediawiki-1.35.1/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleView->doWork()
#22 /data/mediawiki/mediawiki-1.35.1/includes/page/WikiPage.php(1281): PoolCounterWork->execute()
#23 /data/mediawiki/mediawiki-1.35.1/includes/diff/DifferenceEngine.php(1093): WikiPage->getParserOutput()
#24 /data/mediawiki/mediawiki-1.35.1/includes/diff/DifferenceEngine.php(1050): DifferenceEngine->getParserOutput()
#25 /data/mediawiki/mediawiki-1.35.1/includes/diff/DifferenceEngine.php(878): DifferenceEngine->renderNewRevision()
#26 /data/mediawiki/mediawiki-1.35.1/includes/page/Article.php(980): DifferenceEngine->showDiffPage()
#27 /data/mediawiki/mediawiki-1.35.1/includes/page/Article.php(656): Article->showDiffPage()
#28 /data/mediawiki/mediawiki-1.35.1/includes/actions/ViewAction.php(74): Article->view()
#29 /data/mediawiki/mediawiki-1.35.1/includes/MediaWiki.php(527): ViewAction->show()
#30 /data/mediawiki/mediawiki-1.35.1/includes/MediaWiki.php(313): MediaWiki->performAction()
#31 /data/mediawiki/mediawiki-1.35.1/includes/MediaWiki.php(940): MediaWiki->performRequest()
#32 /data/mediawiki/mediawiki-1.35.1/includes/MediaWiki.php(543): MediaWiki->main()
#33 /data/mediawiki/mediawiki-1.35.1/index.php(53): MediaWiki->run()
#34 /data/mediawiki/mediawiki-1.35.1/index.php(46): wfIndexMain()
#35 {main}