MediaWiki internal error.

Original exception: [e91fccbb1a7e8bdc2dff7ad4] /Sega_Anjo Wikimedia\Rdbms\DBTransactionStateError from line 1423 of /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/database/Database.php: Cannot execute query from LinkCache::fetchPageRow while transaction status is ERROR.
Backtrace:
#0 /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/database/Database.php(1192): Wikimedia\Rdbms\Database->assertTransactionStatus()
#1 /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/database/Database.php(1784): Wikimedia\Rdbms\Database->query()
#2 /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/database/Database.php(1875): Wikimedia\Rdbms\Database->select()
#3 /home/sonicret/domains/segaretro.org/public_html/includes/cache/LinkCache.php(320): Wikimedia\Rdbms\Database->selectRow()
#4 /home/sonicret/domains/segaretro.org/public_html/includes/cache/LinkCache.php(261): LinkCache->fetchPageRow()
#5 /home/sonicret/domains/segaretro.org/public_html/includes/libs/objectcache/WANObjectCache.php(1414): LinkCache->{closure}()
#6 /home/sonicret/domains/segaretro.org/public_html/includes/libs/objectcache/WANObjectCache.php(1275): WANObjectCache->doGetWithSetCallback()
#7 /home/sonicret/domains/segaretro.org/public_html/includes/cache/LinkCache.php(266): WANObjectCache->getWithSetCallback()
#8 /home/sonicret/domains/segaretro.org/public_html/includes/Title.php(2966): LinkCache->addLinkObj()
#9 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RevisionStore.php(2783): Title->getArticleID()
#10 /home/sonicret/domains/segaretro.org/public_html/includes/Revision.php(1336): MediaWiki\Revision\RevisionStore->getKnownCurrentRevision()
#11 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3640): Revision::newKnownCurrent()
#12 [internal function]: Parser::statelessFetchRevision()
#13 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RenderedRevision.php(365): call_user_func()
#14 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3624): MediaWiki\Revision\RenderedRevision->MediaWiki\Revision\{closure}()
#15 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3716): Parser->fetchCurrentRevisionOfTitle()
#16 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3653): Parser::statelessFetchTemplate()
#17 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3587): Parser->fetchTemplateAndTitle()
#18 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3347): Parser->getTemplateDom()
#19 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Preprocessor_DOM.php(1285): Parser->braceSubstitution()
#20 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3409): PPFrame_DOM->expand()
#21 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Preprocessor_DOM.php(1285): Parser->braceSubstitution()
#22 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Preprocessor_DOM.php(1735): PPFrame_DOM->expand()
#23 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3406): PPTemplateFrame_DOM->cachedExpand()
#24 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Preprocessor_DOM.php(1285): Parser->braceSubstitution()
#25 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(3049): PPFrame_DOM->expand()
#26 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(1359): Parser->replaceVariables()
#27 /home/sonicret/domains/segaretro.org/public_html/includes/parser/Parser.php(491): Parser->internalParse()
#28 /home/sonicret/domains/segaretro.org/public_html/includes/StubObject.php(112): Parser->parse()
#29 /home/sonicret/domains/segaretro.org/public_html/includes/StubObject.php(138): StubObject->_call()
#30 /home/sonicret/domains/segaretro.org/public_html/includes/content/WikitextContent.php(369): StubObject->__call()
#31 /home/sonicret/domains/segaretro.org/public_html/includes/content/AbstractContent.php(555): WikitextContent->fillParserOutput()
#32 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RenderedRevision.php(262): AbstractContent->getParserOutput()
#33 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RenderedRevision.php(234): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#34 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RevisionRenderer.php(193): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#35 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RevisionRenderer.php(142): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#36 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#37 /home/sonicret/domains/segaretro.org/public_html/includes/Revision/RenderedRevision.php(197): call_user_func()
#38 /home/sonicret/domains/segaretro.org/public_html/includes/poolcounter/PoolWorkArticleView.php(194): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#39 /home/sonicret/domains/segaretro.org/public_html/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#40 /home/sonicret/domains/segaretro.org/public_html/includes/page/Article.php(773): PoolCounterWork->execute()
#41 /home/sonicret/domains/segaretro.org/public_html/includes/actions/ViewAction.php(68): Article->view()
#42 /home/sonicret/domains/segaretro.org/public_html/includes/MediaWiki.php(499): ViewAction->show()
#43 /home/sonicret/domains/segaretro.org/public_html/includes/MediaWiki.php(294): MediaWiki->performAction()
#44 /home/sonicret/domains/segaretro.org/public_html/includes/MediaWiki.php(865): MediaWiki->performRequest()
#45 /home/sonicret/domains/segaretro.org/public_html/includes/MediaWiki.php(515): MediaWiki->main()
#46 /home/sonicret/domains/segaretro.org/public_html/index.php(43): MediaWiki->run()
#47 {main}

Exception caught inside exception handler: [e91fccbb1a7e8bdc2dff7ad4] /Sega_Anjo Wikimedia\Rdbms\DBConnectionError from line 1213 of /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/loadbalancer/LoadBalancer.php: Cannot access the database: Unknown error (localhost)
Backtrace:
#0 /home/sonicret/domains/segaretro.org/public_html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(758): Wikimedia\Rdbms\LoadBalancer->reportConnectionError()
#1 /home/sonicret/domains/segaretro.org/public_html/extensions/WikiSEO/includes/WikiSEO.php(106): Wikimedia\Rdbms\LoadBalancer->getConnection()
#2 /home/sonicret/domains/segaretro.org/public_html/extensions/WikiSEO/includes/Hooks.php(36): MediaWiki\Extension\WikiSEO\WikiSEO->setMetadataFromPageProps()
#3 /home/sonicret/domains/segaretro.org/public_html/includes/Hooks.php(174): MediaWiki\Extension\WikiSEO\Hooks::onBeforePageDisplay()
#4 /home/sonicret/domains/segaretro.org/public_html/includes/Hooks.php(234): Hooks::callHook()
#5 /home/sonicret/domains/segaretro.org/public_html/includes/OutputPage.php(2720): Hooks::runWithoutAbort()
#6 /home/sonicret/domains/segaretro.org/public_html/includes/exception/MWExceptionRenderer.php(134): OutputPage->output()
#7 /home/sonicret/domains/segaretro.org/public_html/includes/exception/MWExceptionRenderer.php(53): MWExceptionRenderer::reportHTML()
#8 /home/sonicret/domains/segaretro.org/public_html/includes/exception/MWExceptionHandler.php(98): MWExceptionRenderer::output()
#9 /home/sonicret/domains/segaretro.org/public_html/includes/exception/MWExceptionHandler.php(172): MWExceptionHandler::report()
#10 /home/sonicret/domains/segaretro.org/public_html/includes/MediaWiki.php(542): MWExceptionHandler::handleException()
#11 /home/sonicret/domains/segaretro.org/public_html/index.php(43): MediaWiki->run()
#12 {main}