Database error

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A database query error has occurred. This may indicate a bug in the software.

[ZgYfIpyXBZ9wu_N6CSl8JwAAAG0] /public/Special:WhatLinksHere/Main_Page Wikimedia\Rdbms\DBQueryError: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading or after adding a new extension?

Please see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading and https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:How_to_debug for more information.

Error 1054: Unknown column 'pl_from_namespace' in 'where clause'
Function: MediaWiki\Specials\SpecialWhatLinksHere::showIndirectLinks
Query: SELECT page_id,page_namespace,page_title,rd_from,rd_fragment,page_is_redirect FROM (SELECT pl_from,rd_from,rd_fragment FROM `pagelinks` LEFT JOIN `redirect` ON ((rd_from = pl_from) AND rd_title = 'Main_Page' AND rd_namespace = 0 AND (rd_interwiki = '' OR rd_interwiki IS NULL)) WHERE pl_namespace = 0 AND pl_title = 'Main_Page' AND pl_from_namespace IN (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,5020,5021,5022,5023,5024,5025,5026,5027,5028,5029,5030,5031,5200,5201,5202,5203,5204,5205,5206,5207,5208,5209,5210,5211,5212,5213,5214,5215,5216,5217,5218,5219,5220,5221,5222,5223,5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,5237,5238,5239) ORDER BY pl_from_namespace ASC,pl_from ASC LIMIT 102 ) `temp_backlink_range` JOIN `page` ON ((pl_from = page_id)) ORDER BY page_namespace ASC,page_id ASC LIMIT 51

Backtrace:

from /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/Database.php(1236)
#0 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/Database.php(1220): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/Database.php(1194): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/Database.php(679): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/Database.php(1383): Wikimedia\Rdbms\Database->query(Wikimedia\Rdbms\Query, string)
#4 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/DBConnRef.php(119): Wikimedia\Rdbms\Database->select(array, array, array, string, array, array)
#5 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/database/DBConnRef.php(351): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#6 /home1/dsg2m5v0/wongery.com/p/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(707): Wikimedia\Rdbms\DBConnRef->select(array, array, array, string, array, array)
#7 /home1/dsg2m5v0/wongery.com/p/includes/specials/SpecialWhatLinksHere.php(312): Wikimedia\Rdbms\SelectQueryBuilder->fetchResultSet()
#8 /home1/dsg2m5v0/wongery.com/p/includes/specials/SpecialWhatLinksHere.php(328): MediaWiki\Specials\SpecialWhatLinksHere::MediaWiki\Specials\{closure}(Wikimedia\Rdbms\DBConnRef, string, string)
#9 /home1/dsg2m5v0/wongery.com/p/includes/specials/SpecialWhatLinksHere.php(143): MediaWiki\Specials\SpecialWhatLinksHere->showIndirectLinks(integer, MediaWiki\Title\Title, integer, integer, integer, string)
#10 /home1/dsg2m5v0/wongery.com/p/includes/specialpage/FormSpecialPage.php(236): MediaWiki\Specials\SpecialWhatLinksHere->onSuccess()
#11 /home1/dsg2m5v0/wongery.com/p/includes/specialpage/SpecialPage.php(727): MediaWiki\SpecialPage\FormSpecialPage->execute(string)
#12 /home1/dsg2m5v0/wongery.com/p/includes/specialpage/SpecialPageFactory.php(1621): MediaWiki\SpecialPage\SpecialPage->run(string)
#13 /home1/dsg2m5v0/wongery.com/p/includes/MediaWiki.php(357): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext)
#14 /home1/dsg2m5v0/wongery.com/p/includes/MediaWiki.php(960): MediaWiki->performRequest()
#15 /home1/dsg2m5v0/wongery.com/p/includes/MediaWiki.php(613): MediaWiki->main()
#16 /home1/dsg2m5v0/wongery.com/p/index.php(50): MediaWiki->run()
#17 /home1/dsg2m5v0/wongery.com/p/index.php(46): wfIndexMain()
#18 {main}