Interner Fehler

[Y760byg2c13IaBgrz-z0iQAAAAA] [no req] Error: Call to undefined method Wikimedia\Rdbms\DatabaseMysqli::numRows()

Backtrace:

from /mnt/websites/de-wiki-new/includes/libs/rdbms/database/DBConnRef.php(103)
#0 /mnt/websites/de-wiki-new/extensions/NewestPages/SpecialNewestPages.php(64): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#1 /mnt/websites/de-wiki-new/includes/specialpage/SpecialPage.php(701): SpecialNewestPages->execute(string)
#2 /mnt/websites/de-wiki-new/includes/specialpage/SpecialPageFactory.php(1428): SpecialPage->run(string)
#3 /mnt/websites/de-wiki-new/includes/specialpage/SpecialPageFactory.php(1490): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext, boolean, MediaWiki\Linker\LinkRenderer)
#4 /mnt/websites/de-wiki-new/includes/parser/Parser.php(3223): MediaWiki\SpecialPage\SpecialPageFactory->capturePath(Title, RequestContext, MediaWiki\Linker\LinkRenderer)
#5 /mnt/websites/de-wiki-new/includes/parser/PPFrame_Hash.php(276): Parser->braceSubstitution(array, PPFrame_Hash)
#6 /mnt/websites/de-wiki-new/includes/parser/Parser.php(2955): PPFrame_Hash->expand(PPNode_Hash_Tree, integer)
#7 /mnt/websites/de-wiki-new/includes/parser/Parser.php(1610): Parser->replaceVariables(string)
#8 /mnt/websites/de-wiki-new/includes/parser/Parser.php(724): Parser->internalParse(string)
#9 /mnt/websites/de-wiki-new/includes/content/WikitextContentHandler.php(301): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#10 /mnt/websites/de-wiki-new/includes/content/ContentHandler.php(1721): WikitextContentHandler->fillParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams, ParserOutput)
#11 /mnt/websites/de-wiki-new/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams)
#12 /mnt/websites/de-wiki-new/includes/Revision/RenderedRevision.php(266): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput(WikitextContent, Title, integer, ParserOptions, boolean)
#13 /mnt/websites/de-wiki-new/includes/Revision/RenderedRevision.php(237): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached(WikitextContent, boolean)
#14 /mnt/websites/de-wiki-new/includes/Revision/RevisionRenderer.php(221): MediaWiki\Revision\RenderedRevision->getSlotParserOutput(string, array)
#15 /mnt/websites/de-wiki-new/includes/Revision/RevisionRenderer.php(158): MediaWiki\Revision\RevisionRenderer->combineSlotOutput(MediaWiki\Revision\RenderedRevision, array)
#16 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}(MediaWiki\Revision\RenderedRevision, array)
#17 /mnt/websites/de-wiki-new/includes/Revision/RenderedRevision.php(199): call_user_func(Closure, MediaWiki\Revision\RenderedRevision, array)
#18 /mnt/websites/de-wiki-new/includes/poolcounter/PoolWorkArticleView.php(91): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#19 /mnt/websites/de-wiki-new/includes/poolcounter/PoolWorkArticleViewCurrent.php(97): PoolWorkArticleView->renderRevision()
#20 /mnt/websites/de-wiki-new/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleViewCurrent->doWork()
#21 /mnt/websites/de-wiki-new/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#22 /mnt/websites/de-wiki-new/includes/page/Article.php(714): MediaWiki\Page\ParserOutputAccess->getParserOutput(WikiPage, ParserOptions, MediaWiki\Revision\RevisionStoreRecord, integer)
#23 /mnt/websites/de-wiki-new/includes/page/Article.php(528): Article->generateContentOutput(User, ParserOptions, integer, OutputPage, array)
#24 /mnt/websites/de-wiki-new/includes/actions/ViewAction.php(78): Article->view()
#25 /mnt/websites/de-wiki-new/includes/MediaWiki.php(542): ViewAction->show()
#26 /mnt/websites/de-wiki-new/includes/MediaWiki.php(322): MediaWiki->performAction(Article, Title)
#27 /mnt/websites/de-wiki-new/includes/MediaWiki.php(904): MediaWiki->performRequest()
#28 /mnt/websites/de-wiki-new/includes/MediaWiki.php(562): MediaWiki->main()
#29 /mnt/websites/de-wiki-new/index.php(50): MediaWiki->run()
#30 /mnt/websites/de-wiki-new/index.php(46): wfIndexMain()
#31 {main}