MediaWiki internal error.

Original exception: [aceae86fb29d0b6f58f555ec] /wiki/Benediktinerabtei_Ettal Wikimedia\Rdbms\DBTransactionStateError from line 1515 of /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php: Cannot execute query from LinkBatch::doQuery (for Skin::preloadExistence) while transaction status is ERROR
Backtrace:
#0 /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php(1234): Wikimedia\Rdbms\Database->assertQueryIsCurrentlyAllowed(string, string)
#1 /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php(1921): Wikimedia\Rdbms\Database->query(string, string, integer)
#2 /var/www/wiki/wiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->select(string, array, string, string)
#3 /var/www/wiki/wiki/includes/libs/rdbms/database/DBConnRef.php(313): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#4 /var/www/wiki/wiki/includes/cache/LinkBatch.php(267): Wikimedia\Rdbms\DBConnRef->select(string, array, string, string)
#5 /var/www/wiki/wiki/includes/cache/LinkBatch.php(186): LinkBatch->doQuery()
#6 /var/www/wiki/wiki/includes/cache/LinkBatch.php(175): LinkBatch->executeInto(LinkCache)
#7 /var/www/wiki/wiki/includes/skins/Skin.php(313): LinkBatch->execute()
#8 /var/www/wiki/wiki/includes/skins/Skin.php(177): Skin->preloadExistence()
#9 /var/www/wiki/wiki/includes/skins/SkinTemplate.php(140): Skin->initPage(OutputPage)
#10 /var/www/wiki/wiki/includes/OutputPage.php(2624): SkinTemplate->outputPage()
#11 /var/www/wiki/wiki/includes/MediaWiki.php(954): OutputPage->output(boolean)
#12 /var/www/wiki/wiki/includes/MediaWiki.php(967): MediaWiki->{closure}()
#13 /var/www/wiki/wiki/includes/MediaWiki.php(547): MediaWiki->main()
#14 /var/www/wiki/wiki/index.php(53): MediaWiki->run()
#15 /var/www/wiki/wiki/index.php(46): wfIndexMain()
#16 {main}

Exception caught inside exception handler: [aceae86fb29d0b6f58f555ec] /wiki/Benediktinerabtei_Ettal Wikimedia\Rdbms\DBTransactionStateError from line 1515 of /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php: Cannot execute query from PageImages\PageImages::getPageImage while transaction status is ERROR
Backtrace:
#0 /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php(1234): Wikimedia\Rdbms\Database->assertQueryIsCurrentlyAllowed(string, string)
#1 /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php(1921): Wikimedia\Rdbms\Database->query(string, string, integer)
#2 /var/www/wiki/wiki/includes/libs/rdbms/database/Database.php(1760): Wikimedia\Rdbms\Database->select(string, string, array, string, array, array)
#3 /var/www/wiki/wiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->selectField(string, string, array, string, array)
#4 /var/www/wiki/wiki/includes/libs/rdbms/database/DBConnRef.php(300): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#5 /var/www/wiki/wiki/extensions/PageImages/includes/PageImages.php(111): Wikimedia\Rdbms\DBConnRef->selectField(string, string, array, string, array)
#6 /var/www/wiki/wiki/extensions/PageImages/includes/PageImages.php(252): PageImages\PageImages::getPageImage(Title)
#7 /var/www/wiki/wiki/includes/HookContainer/HookContainer.php(329): PageImages\PageImages::onBeforePageDisplay(OutputPage, SkinVector)
#8 /var/www/wiki/wiki/includes/HookContainer/HookContainer.php(132): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#9 /var/www/wiki/wiki/includes/HookContainer/HookRunner.php(991): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#10 /var/www/wiki/wiki/includes/OutputPage.php(2619): MediaWiki\HookContainer\HookRunner->onBeforePageDisplay(OutputPage, SkinVector)
#11 /var/www/wiki/wiki/includes/exception/MWExceptionRenderer.php(153): OutputPage->output()
#12 /var/www/wiki/wiki/includes/exception/MWExceptionRenderer.php(65): MWExceptionRenderer::reportHTML(Wikimedia\Rdbms\DBTransactionStateError)
#13 /var/www/wiki/wiki/includes/exception/MWExceptionHandler.php(106): MWExceptionRenderer::output(Wikimedia\Rdbms\DBTransactionStateError, integer)
#14 /var/www/wiki/wiki/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report(Wikimedia\Rdbms\DBTransactionStateError)
#15 /var/www/wiki/wiki/includes/MediaWiki.php(580): MWExceptionHandler::handleException(Wikimedia\Rdbms\DBTransactionStateError, string)
#16 /var/www/wiki/wiki/index.php(53): MediaWiki->run()
#17 /var/www/wiki/wiki/index.php(46): wfIndexMain()
#18 {main}