MediaWiki internal error.

Original exception: [a9f0778ca680ca348fc7fae2] /wiki/%E5%88%A9%E7%94%A8%E8%80%85:Yutkawa/J-TAK Error: Call to undefined method MediaWiki\Page\PageSelectQueryBuilder::table()
Backtrace:
from /home/scratchwiki/wikis/ja/w/includes/page/PageSelectQueryBuilder.php(32)
#0 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(410): MediaWiki\Page\PageSelectQueryBuilder->__construct()
#1 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(194): MediaWiki\Page\PageStore->newSelectQueryBuilder()
#2 /home/scratchwiki/wikis/ja/w/includes/cache/LinkCache.php(461): MediaWiki\Page\PageStore->{closure:MediaWiki\Page\PageStore::getPageByNameViaLinkCache():190}()
#3 /home/scratchwiki/wikis/ja/w/includes/cache/LinkCache.php(491): LinkCache->getGoodLinkRowInternal()
#4 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(187): LinkCache->getGoodLinkRow()
#5 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(154): MediaWiki\Page\PageStore->getPageByNameViaLinkCache()
#6 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(326): MediaWiki\Page\PageStore->getPageByName()
#7 /home/scratchwiki/wikis/ja/w/includes/Title.php(4102): MediaWiki\Page\PageStore->getPageByReference()
#8 /home/scratchwiki/wikis/ja/w/includes/Title.php(2832): Title->getFieldFromPageStore()
#9 /home/scratchwiki/wikis/ja/w/includes/Title.php(3478): Title->getArticleID()
#10 /home/scratchwiki/wikis/ja/w/includes/Title.php(3554): Title->exists()
#11 /home/scratchwiki/wikis/ja/w/includes/skins/Skin.php(845): Title->isKnown()
#12 /home/scratchwiki/wikis/ja/w/includes/skins/Skin.php(2395): Skin->subPageSubtitleInternal()
#13 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(256): Skin->prepareSubtitle()
#14 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(146): SkinTemplate->prepareQuickTemplate()
#15 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(177): SkinTemplate->generateHTML()
#16 /home/scratchwiki/wikis/ja/w/includes/OutputPage.php(2876): SkinTemplate->outputPage()
#17 /home/scratchwiki/wikis/ja/w/includes/MediaWiki.php(922): OutputPage->output()
#18 /home/scratchwiki/wikis/ja/w/includes/MediaWiki.php(562): MediaWiki->main()
#19 /home/scratchwiki/wikis/ja/w/index.php(50): MediaWiki->run()
#20 /home/scratchwiki/wikis/ja/w/index.php(46): wfIndexMain()
#21 {main}

Exception caught inside exception handler: [a9f0778ca680ca348fc7fae2] /wiki/%E5%88%A9%E7%94%A8%E8%80%85:Yutkawa/J-TAK Error: Call to undefined method MediaWiki\Page\PageSelectQueryBuilder::table()
Backtrace:
from /home/scratchwiki/wikis/ja/w/includes/page/PageSelectQueryBuilder.php(32)
#0 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(410): MediaWiki\Page\PageSelectQueryBuilder->__construct()
#1 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(194): MediaWiki\Page\PageStore->newSelectQueryBuilder()
#2 /home/scratchwiki/wikis/ja/w/includes/cache/LinkCache.php(450): MediaWiki\Page\PageStore->{closure:MediaWiki\Page\PageStore::getPageByNameViaLinkCache():190}()
#3 /home/scratchwiki/wikis/ja/w/includes/libs/objectcache/wancache/WANObjectCache.php(1688): LinkCache->{closure:LinkCache::getGoodLinkRowInternal():446}()
#4 /home/scratchwiki/wikis/ja/w/includes/libs/objectcache/wancache/WANObjectCache.php(1522): WANObjectCache->fetchOrRegenerate()
#5 /home/scratchwiki/wikis/ja/w/includes/cache/LinkCache.php(443): WANObjectCache->getWithSetCallback()
#6 /home/scratchwiki/wikis/ja/w/includes/cache/LinkCache.php(491): LinkCache->getGoodLinkRowInternal()
#7 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(187): LinkCache->getGoodLinkRow()
#8 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(154): MediaWiki\Page\PageStore->getPageByNameViaLinkCache()
#9 /home/scratchwiki/wikis/ja/w/includes/page/PageStore.php(326): MediaWiki\Page\PageStore->getPageByName()
#10 /home/scratchwiki/wikis/ja/w/includes/Title.php(4102): MediaWiki\Page\PageStore->getPageByReference()
#11 /home/scratchwiki/wikis/ja/w/includes/Title.php(2832): Title->getFieldFromPageStore()
#12 /home/scratchwiki/wikis/ja/w/includes/page/LegacyArticleIdAccess.php(42): Title->getArticleID()
#13 /home/scratchwiki/wikis/ja/w/includes/Revision/RevisionStore.php(2929): MediaWiki\Revision\RevisionStore->getArticleId()
#14 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1302): MediaWiki\Revision\RevisionStore->getKnownCurrentRevision()
#15 /home/scratchwiki/wikis/ja/w/includes/libs/objectcache/wancache/WANObjectCache.php(1688): MessageCache->{closure:{closure:MessageCache::loadCachedMessagePageEntry():1289}:1293}()
#16 /home/scratchwiki/wikis/ja/w/includes/libs/objectcache/wancache/WANObjectCache.php(1522): WANObjectCache->fetchOrRegenerate()
#17 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1290): WANObjectCache->getWithSetCallback()
#18 /home/scratchwiki/wikis/ja/w/includes/libs/objectcache/BagOStuff.php(216): MessageCache->{closure:MessageCache::loadCachedMessagePageEntry():1289}()
#19 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1286): BagOStuff->getWithSetCallback()
#20 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1239): MessageCache->loadCachedMessagePageEntry()
#21 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1125): MessageCache->getMsgFromNamespace()
#22 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1097): MessageCache->getMessageForLang()
#23 /home/scratchwiki/wikis/ja/w/includes/language/MessageCache.php(1036): MessageCache->getMessageFromFallbackChain()
#24 /home/scratchwiki/wikis/ja/w/includes/language/Message.php(1474): MessageCache->get()
#25 /home/scratchwiki/wikis/ja/w/includes/language/Message.php(1123): Message->fetchMessage()
#26 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(1063): Message->isDisabled()
#27 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(1326): SkinTemplate->tabAction()
#28 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(790): SkinTemplate->buildContentNavigationUrlsInternal()
#29 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(762): SkinTemplate->getPortletsTemplateData()
#30 /home/scratchwiki/wikis/ja/w/includes/skins/Skin.php(667): SkinTemplate->getCategoryLinks()
#31 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(259): Skin->getCategories()
#32 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(146): SkinTemplate->prepareQuickTemplate()
#33 /home/scratchwiki/wikis/ja/w/includes/skins/SkinTemplate.php(177): SkinTemplate->generateHTML()
#34 /home/scratchwiki/wikis/ja/w/includes/OutputPage.php(2876): SkinTemplate->outputPage()
#35 /home/scratchwiki/wikis/ja/w/includes/exception/MWExceptionRenderer.php(183): OutputPage->output()
#36 /home/scratchwiki/wikis/ja/w/includes/exception/MWExceptionRenderer.php(102): MWExceptionRenderer::reportHTML()
#37 /home/scratchwiki/wikis/ja/w/includes/exception/MWExceptionHandler.php(133): MWExceptionRenderer::output()
#38 /home/scratchwiki/wikis/ja/w/includes/exception/MWExceptionHandler.php(250): MWExceptionHandler::report()
#39 /home/scratchwiki/wikis/ja/w/includes/MediaWiki.php(584): MWExceptionHandler::handleException()
#40 /home/scratchwiki/wikis/ja/w/index.php(50): MediaWiki->run()
#41 /home/scratchwiki/wikis/ja/w/index.php(46): wfIndexMain()
#42 {main}