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Internal error - Wiki48

[ZgWl06hZGU8bRGHbQvAYUQAAAFM] /wiki/index.php?title=HKT48&diff=192372&oldid=175866 Wikimedia\Rdbms\DBQueryError from line 1149 of /home/akimoto/public_html/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 lc_value FROM `wiki_l10n_cache` WHERE lc_lang = 'en-gb' AND lc_key = 'messages:lineno' LIMIT 1
Function: LCStoreDB::get
Error: 2002 No such file or directory (localhost)

Backtrace:

#0 /home/akimoto/public_html/wiki/includes/libs/rdbms/database/Database.php(979): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#1 /home/akimoto/public_html/wiki/includes/libs/rdbms/database/Database.php(1343): Wikimedia\Rdbms\Database->query(string, string)
#2 /home/akimoto/public_html/wiki/includes/libs/rdbms/database/Database.php(1169): Wikimedia\Rdbms\Database->select(string, string, array, string, array, array)
#3 /home/akimoto/public_html/wiki/includes/cache/localisation/LCStoreDB.php(53): Wikimedia\Rdbms\Database->selectField(string, string, array, string)
#4 /home/akimoto/public_html/wiki/includes/cache/localisation/LocalisationCache.php(392): LCStoreDB->get(string, string)
#5 /home/akimoto/public_html/wiki/includes/cache/localisation/LocalisationCache.php(291): LocalisationCache->loadSubitem(string, string, string)
#6 /home/akimoto/public_html/wiki/languages/Language.php(2587): LocalisationCache->getSubitem(string, string, string)
#7 /home/akimoto/public_html/wiki/includes/cache/MessageCache.php(933): Language->getMessage(string)
#8 /home/akimoto/public_html/wiki/includes/cache/MessageCache.php(888): MessageCache->getMessageForLang(Language, string, boolean, array)
#9 /home/akimoto/public_html/wiki/includes/cache/MessageCache.php(829): MessageCache->getMessageFromFallbackChain(Language, string, boolean)
#10 /home/akimoto/public_html/wiki/includes/Message.php(1275): MessageCache->get(string, boolean, Language)
#11 /home/akimoto/public_html/wiki/includes/Message.php(842): Message->fetchMessage()
#12 /home/akimoto/public_html/wiki/includes/Message.php(971): Message->toString(string)
#13 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(1032): Message->escaped()
#14 [internal function]: DifferenceEngine->localiseLineNumbersCb(array)
#15 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(1024): preg_replace_callback(string, array, string)
#16 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(788): DifferenceEngine->localiseLineNumbers(string)
#17 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(704): DifferenceEngine->getDiffBody()
#18 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(674): DifferenceEngine->getDiff(string, string, string)
#19 /home/akimoto/public_html/wiki/includes/diff/DifferenceEngine.php(478): DifferenceEngine->showDiff(string, string, string)
#20 /home/akimoto/public_html/wiki/includes/page/Article.php(727): DifferenceEngine->showDiffPage(boolean)
#21 /home/akimoto/public_html/wiki/includes/page/Article.php(457): Article->showDiffPage()
#22 /home/akimoto/public_html/wiki/includes/actions/ViewAction.php(68): Article->view()
#23 /home/akimoto/public_html/wiki/includes/MediaWiki.php(499): ViewAction->show()
#24 /home/akimoto/public_html/wiki/includes/MediaWiki.php(293): MediaWiki->performAction(Article, Title)
#25 /home/akimoto/public_html/wiki/includes/MediaWiki.php(851): MediaWiki->performRequest()
#26 /home/akimoto/public_html/wiki/includes/MediaWiki.php(523): MediaWiki->main()
#27 /home/akimoto/public_html/wiki/index.php(43): MediaWiki->run()
#28 {main}


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