MediaWiki internal error.

Original exception: [e93f47cfd3e87608efbd41bd] /index.php/Betanzos Wikimedia\Rdbms\DBQueryError from line 1506 of /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading?
Query: SELECT old_text,old_flags FROM `umwtext` WHERE old_id = '8179' LIMIT 1
Function: MediaWiki\Storage\SqlBlobStore::fetchBlob
Error: 1146 Table 'wikisenior.umwtext' doesn't exist (c.cidet.es)

Backtrace:
#0 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1476): Wikimedia\Rdbms\Database->makeQueryException(string, integer, string, string)
#1 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1236): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#2 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1703): Wikimedia\Rdbms\Database->query(string, string)
#3 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1794): Wikimedia\Rdbms\Database->select(string, array, array, string, array, array)
#4 /mnt/extra2/wikisenior.es/wiki/includes/Storage/SqlBlobStore.php(333): Wikimedia\Rdbms\Database->selectRow(string, array, array, string, array)
#5 /mnt/extra2/wikisenior.es/wiki/includes/Storage/SqlBlobStore.php(281): MediaWiki\Storage\SqlBlobStore->fetchBlob(string, integer)
#6 /mnt/extra2/wikisenior.es/wiki/includes/libs/objectcache/WANObjectCache.php(1277): MediaWiki\Storage\SqlBlobStore->MediaWiki\Storage\{closure}(boolean, integer, array, NULL)
#7 /mnt/extra2/wikisenior.es/wiki/includes/libs/objectcache/WANObjectCache.php(1150): WANObjectCache->doGetWithSetCallback(string, integer, Closure, array)
#8 /mnt/extra2/wikisenior.es/wiki/includes/Storage/SqlBlobStore.php(283): WANObjectCache->getWithSetCallback(string, integer, Closure, array)
#9 /mnt/extra2/wikisenior.es/wiki/includes/Revision/RevisionStore.php(1455): MediaWiki\Storage\SqlBlobStore->getBlob(string, integer)
#10 /mnt/extra2/wikisenior.es/wiki/includes/Revision/RevisionStore.php(1628): MediaWiki\Revision\RevisionStore->loadSlotContent(MediaWiki\Revision\SlotRecord, NULL, NULL, NULL, integer)
#11 [internal function]: MediaWiki\Revision\RevisionStore->MediaWiki\Revision\{closure}(MediaWiki\Revision\SlotRecord)
#12 /mnt/extra2/wikisenior.es/wiki/includes/Revision/SlotRecord.php(309): call_user_func(Closure, MediaWiki\Revision\SlotRecord)
#13 /mnt/extra2/wikisenior.es/wiki/includes/Revision/RevisionRecord.php(175): MediaWiki\Revision\SlotRecord->getContent()
#14 /mnt/extra2/wikisenior.es/wiki/includes/Revision.php(932): MediaWiki\Revision\RevisionRecord->getContent(string, integer, User)
#15 /mnt/extra2/wikisenior.es/wiki/includes/page/Article.php(493): Revision->getContent(integer, User)
#16 /mnt/extra2/wikisenior.es/wiki/includes/page/Article.php(714): Article->fetchRevisionRecord()
#17 /mnt/extra2/wikisenior.es/wiki/includes/actions/ViewAction.php(68): Article->view()
#18 /mnt/extra2/wikisenior.es/wiki/includes/MediaWiki.php(501): ViewAction->show()
#19 /mnt/extra2/wikisenior.es/wiki/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title)
#20 /mnt/extra2/wikisenior.es/wiki/includes/MediaWiki.php(860): MediaWiki->performRequest()
#21 /mnt/extra2/wikisenior.es/wiki/includes/MediaWiki.php(517): MediaWiki->main()
#22 /mnt/extra2/wikisenior.es/wiki/index.php(42): MediaWiki->run()
#23 {main}

Exception caught inside exception handler: [e93f47cfd3e87608efbd41bd] /index.php/Betanzos Wikimedia\Rdbms\DBQueryError from line 1506 of /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading?
Query: SELECT page_title,page_latest,old_id,old_text,old_flags FROM `umwpage` JOIN `umwrevision` ON ((page_latest=rev_id)) JOIN `umwtext` ON ((rev_text_id=old_id)) WHERE page_is_redirect = '0' AND page_namespace = '8' AND (page_title LIKE '%/en' ESCAPE '`' ) AND (page_len <= 10000)
Function: MessageCache::loadFromDB(en)-small
Error: 1146 Table 'wikisenior.umwtext' doesn't exist (c.cidet.es)

Backtrace:
#0 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1476): Wikimedia\Rdbms\Database->makeQueryException(string, integer, string, string)
#1 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1236): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#2 /mnt/extra2/wikisenior.es/wiki/includes/libs/rdbms/database/Database.php(1703): Wikimedia\Rdbms\Database->query(string, string)
#3 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(531): Wikimedia\Rdbms\Database->select(array, array, array, string, array, array)
#4 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(427): MessageCache->loadFromDB(string, NULL)
#5 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(350): MessageCache->loadFromDBWithLock(string, array, NULL)
#6 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(1031): MessageCache->load(string)
#7 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(985): MessageCache->getMsgFromNamespace(string, string)
#8 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(928): MessageCache->getMessageForLang(Language, string, boolean, array)
#9 /mnt/extra2/wikisenior.es/wiki/includes/cache/MessageCache.php(870): MessageCache->getMessageFromFallbackChain(Language, string, boolean)
#10 /mnt/extra2/wikisenior.es/wiki/includes/Message.php(1299): MessageCache->get(string, boolean, Language)
#11 /mnt/extra2/wikisenior.es/wiki/includes/Message.php(991): Message->fetchMessage()
#12 /mnt/extra2/wikisenior.es/wiki/includes/skins/SkinTemplate.php(793): Message->exists()
#13 /mnt/extra2/wikisenior.es/wiki/includes/skins/SkinTemplate.php(943): SkinTemplate->tabAction(Title, string, boolean, string, boolean)
#14 /mnt/extra2/wikisenior.es/wiki/includes/skins/SkinTemplate.php(460): SkinTemplate->buildContentNavigationUrls()
#15 /mnt/extra2/wikisenior.es/wiki/includes/skins/SkinTemplate.php(225): SkinTemplate->prepareQuickTemplate()
#16 /mnt/extra2/wikisenior.es/wiki/includes/OutputPage.php(2706): SkinTemplate->outputPage()
#17 /mnt/extra2/wikisenior.es/wiki/includes/exception/MWExceptionRenderer.php(136): OutputPage->output()
#18 /mnt/extra2/wikisenior.es/wiki/includes/exception/MWExceptionRenderer.php(53): MWExceptionRenderer::reportHTML(Wikimedia\Rdbms\DBQueryError)
#19 /mnt/extra2/wikisenior.es/wiki/includes/exception/MWExceptionHandler.php(98): MWExceptionRenderer::output(Wikimedia\Rdbms\DBQueryError, integer)
#20 /mnt/extra2/wikisenior.es/wiki/includes/exception/MWExceptionHandler.php(172): MWExceptionHandler::report(Wikimedia\Rdbms\DBQueryError)
#21 /mnt/extra2/wikisenior.es/wiki/includes/MediaWiki.php(544): MWExceptionHandler::handleException(Wikimedia\Rdbms\DBQueryError)
#22 /mnt/extra2/wikisenior.es/wiki/index.php(42): MediaWiki->run()
#23 {main}