Internal error

[15599ae46e21ab404abcccb4] [no req] Error: Call to undefined method Wikimedia\Rdbms\LBFactorySimple::getReplicaDatabase()

Backtrace:

from /web2-data1/wikiroot/mediawiki-1.39.7/w/extensions/Editcount/src/Editcount.php(103)
#0 /web2-data1/wikiroot/mediawiki-1.39.7/w/extensions/Editcount/src/Editcount.php(34): Editcount->editsInNs()
#1 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/specialpage/SpecialPage.php(701): Editcount->execute()
#2 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/specialpage/SpecialPageFactory.php(1428): SpecialPage->run()
#3 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/specialpage/SpecialPageFactory.php(1490): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#4 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/parser/Parser.php(3221): MediaWiki\SpecialPage\SpecialPageFactory->capturePath()
#5 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/parser/PPFrame_Hash.php(275): Parser->braceSubstitution()
#6 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/parser/Parser.php(2953): PPFrame_Hash->expand()
#7 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/parser/Parser.php(1609): Parser->replaceVariables()
#8 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/parser/Parser.php(723): Parser->internalParse()
#9 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/content/WikitextContentHandler.php(301): Parser->parse()
#10 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/content/ContentHandler.php(1720): WikitextContentHandler->fillParserOutput()
#11 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput()
#12 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/Revision/RenderedRevision.php(265): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput()
#13 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/Revision/RenderedRevision.php(237): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#14 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/Revision/RevisionRenderer.php(221): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#15 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/Revision/RevisionRenderer.php(158): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#16 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#17 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/Revision/RenderedRevision.php(199): call_user_func()
#18 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/poolcounter/PoolWorkArticleView.php(91): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#19 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/poolcounter/PoolWorkArticleViewCurrent.php(97): PoolWorkArticleView->renderRevision()
#20 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleViewCurrent->doWork()
#21 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#22 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/page/Article.php(713): MediaWiki\Page\ParserOutputAccess->getParserOutput()
#23 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/page/Article.php(528): Article->generateContentOutput()
#24 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/actions/ViewAction.php(78): Article->view()
#25 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/MediaWiki.php(542): ViewAction->show()
#26 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/MediaWiki.php(322): MediaWiki->performAction()
#27 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/MediaWiki.php(904): MediaWiki->performRequest()
#28 /web2-data1/wikiroot/mediawiki-1.39.7/w/includes/MediaWiki.php(562): MediaWiki->main()
#29 /web2-data1/wikiroot/mediawiki-1.39.7/w/index.php(50): MediaWiki->run()
#30 /web2-data1/wikiroot/mediawiki-1.39.7/w/index.php(46): wfIndexMain()
#31 {main}