MediaWiki internal error.

Original exception: [14141cce025425ddb04acfd4] /mediawiki/index.php/Spezial:Alle_Seiten mysqli_sql_exception: Key 'page_name_title' doesn't exist in table 'page'
Backtrace:
from /var/www/html/mediawiki/includes/libs/rdbms/database/DatabaseMysqli.php(49)
#0 /var/www/html/mediawiki/includes/libs/rdbms/database/DatabaseMysqli.php(49): mysqli->query()
#1 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1480): Wikimedia\Rdbms\DatabaseMysqli->doQuery()
#2 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1398): Wikimedia\Rdbms\Database->executeQueryAttempt()
#3 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1323): Wikimedia\Rdbms\Database->executeQuery()
#4 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(2012): Wikimedia\Rdbms\Database->query()
#5 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->select()
#6 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(324): Wikimedia\Rdbms\DBConnRef->__call()
#7 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(234): Wikimedia\Rdbms\DBConnRef->select()
#8 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(186): SpecialAllPages->showChunk()
#9 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(107): SpecialAllPages->showToplevel()
#10 /var/www/html/mediawiki/includes/specialpage/SpecialPage.php(647): SpecialAllPages->execute()
#11 /var/www/html/mediawiki/includes/specialpage/SpecialPageFactory.php(1366): SpecialPage->run()
#12 /var/www/html/mediawiki/includes/MediaWiki.php(314): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#13 /var/www/html/mediawiki/includes/MediaWiki.php(930): MediaWiki->performRequest()
#14 /var/www/html/mediawiki/includes/MediaWiki.php(564): MediaWiki->main()
#15 /var/www/html/mediawiki/index.php(53): MediaWiki->run()
#16 /var/www/html/mediawiki/index.php(46): wfIndexMain()
#17 {main}

Exception caught inside exception handler: [14141cce025425ddb04acfd4] /mediawiki/index.php/Spezial:Alle_Seiten Wikimedia\Rdbms\DBTransactionStateError: Cannot execute query from LinkBatch::doQuery (for Skin::preloadExistence) while session state is out of sync.

A critical section from Wikimedia\Rdbms\Database::executeQuery has failed
#0 /var/www/html/mediawiki/vendor/wikimedia/request-timeout/src/CriticalSectionScope.php(44): Wikimedia\Rdbms\Database->Wikimedia\Rdbms\{closure}()
#1 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1323): Wikimedia\RequestTimeout\CriticalSectionScope->__destruct()
#2 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(2012): Wikimedia\Rdbms\Database->query()
#3 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->select()
#4 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(324): Wikimedia\Rdbms\DBConnRef->__call()
#5 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(234): Wikimedia\Rdbms\DBConnRef->select()
#6 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(186): SpecialAllPages->showChunk()
#7 /var/www/html/mediawiki/includes/specials/SpecialAllPages.php(107): SpecialAllPages->showToplevel()
#8 /var/www/html/mediawiki/includes/specialpage/SpecialPage.php(647): SpecialAllPages->execute()
#9 /var/www/html/mediawiki/includes/specialpage/SpecialPageFactory.php(1366): SpecialPage->run()
#10 /var/www/html/mediawiki/includes/MediaWiki.php(314): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#11 /var/www/html/mediawiki/includes/MediaWiki.php(930): MediaWiki->performRequest()
#12 /var/www/html/mediawiki/includes/MediaWiki.php(564): MediaWiki->main()
#13 /var/www/html/mediawiki/index.php(53): MediaWiki->run()
#14 /var/www/html/mediawiki/index.php(46): wfIndexMain()
#15 {main}
Backtrace:
from /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1610)
#0 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(1320): Wikimedia\Rdbms\Database->assertQueryIsCurrentlyAllowed()
#1 /var/www/html/mediawiki/includes/libs/rdbms/database/Database.php(2012): Wikimedia\Rdbms\Database->query()
#2 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->select()
#3 /var/www/html/mediawiki/includes/libs/rdbms/database/DBConnRef.php(324): Wikimedia\Rdbms\DBConnRef->__call()
#4 /var/www/html/mediawiki/includes/cache/LinkBatch.php(329): Wikimedia\Rdbms\DBConnRef->select()
#5 /var/www/html/mediawiki/includes/cache/LinkBatch.php(223): LinkBatch->doQuery()
#6 /var/www/html/mediawiki/includes/cache/LinkBatch.php(197): LinkBatch->executeInto()
#7 /var/www/html/mediawiki/includes/skins/Skin.php(387): LinkBatch->execute()
#8 /var/www/html/mediawiki/includes/skins/Skin.php(231): Skin->preloadExistence()
#9 /var/www/html/mediawiki/includes/skins/SkinTemplate.php(140): Skin->initPage()
#10 /var/www/html/mediawiki/includes/OutputPage.php(2644): SkinTemplate->outputPage()
#11 /var/www/html/mediawiki/includes/exception/MWExceptionRenderer.php(158): OutputPage->output()
#12 /var/www/html/mediawiki/includes/exception/MWExceptionRenderer.php(77): MWExceptionRenderer::reportHTML()
#13 /var/www/html/mediawiki/includes/exception/MWExceptionHandler.php(107): MWExceptionRenderer::output()
#14 /var/www/html/mediawiki/includes/exception/MWExceptionHandler.php(202): MWExceptionHandler::report()
#15 /var/www/html/mediawiki/includes/MediaWiki.php(583): MWExceptionHandler::handleException()
#16 /var/www/html/mediawiki/index.php(53): MediaWiki->run()
#17 /var/www/html/mediawiki/index.php(46): wfIndexMain()
#18 {main}