Database error

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

[ZgVe-rJ4zyGpvr4cb3PnvwAARBg] /index.php?title=Special:GadgetUsage 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 42703: ERROR: column "activeusers" does not exist
LINE 1: ...etwo" ON ((user_name = qcc_title) AND (qcc_type = "activeuse...
^

Function: MediaWiki\Extension\Gadgets\SpecialGadgetUsage::reallyDoQuery
Query: SELECT up_property AS "title",SUM( up_value ) AS "value",COUNT( qcc_title ) AS "namespace" FROM "user_properties" LEFT JOIN "user" ON ((up_user = user_id)) LEFT JOIN "querycachetwo" ON ((user_name = qcc_title) AND (qcc_type = "activeusers") AND (up_value = 1)) WHERE (up_property LIKE 'gadget-%' ESCAPE '`' ) GROUP BY up_property ORDER BY value DESC LIMIT 1001 OFFSET 0

Backtrace:

from /usr/share/mediawiki/includes/libs/rdbms/database/Database.php(1618)
#0 /usr/share/mediawiki/includes/libs/rdbms/database/Database.php(1602): Wikimedia\Rdbms\Database->getQueryException()
#1 /usr/share/mediawiki/includes/libs/rdbms/database/Database.php(1576): Wikimedia\Rdbms\Database->getQueryExceptionAndLog()
#2 /usr/share/mediawiki/includes/libs/rdbms/database/Database.php(952): Wikimedia\Rdbms\Database->reportQueryError()
#3 /usr/share/mediawiki/includes/libs/rdbms/database/Database.php(1711): Wikimedia\Rdbms\Database->query()
#4 /usr/share/mediawiki/includes/libs/rdbms/database/DBConnRef.php(103): Wikimedia\Rdbms\Database->select()
#5 /usr/share/mediawiki/includes/libs/rdbms/database/DBConnRef.php(326): Wikimedia\Rdbms\DBConnRef->__call()
#6 /usr/share/mediawiki/includes/specialpage/QueryPage.php(540): Wikimedia\Rdbms\DBConnRef->select()
#7 /usr/share/mediawiki/includes/specialpage/QueryPage.php(726): QueryPage->reallyDoQuery()
#8 /usr/share/mediawiki/extensions/Gadgets/includes/SpecialGadgetUsage.php(52): QueryPage->execute()
#9 /usr/share/mediawiki/includes/specialpage/SpecialPage.php(701): MediaWiki\Extension\Gadgets\SpecialGadgetUsage->execute()
#10 /usr/share/mediawiki/includes/specialpage/SpecialPageFactory.php(1428): SpecialPage->run()
#11 /usr/share/mediawiki/includes/MediaWiki.php(316): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#12 /usr/share/mediawiki/includes/MediaWiki.php(904): MediaWiki->performRequest()
#13 /usr/share/mediawiki/includes/MediaWiki.php(562): MediaWiki->main()
#14 /usr/share/mediawiki/index.php(50): MediaWiki->run()
#15 /usr/share/mediawiki/index.php(46): wfIndexMain()
#16 {main}