Database error

[ZiFEU@X5azF8SGpr6WdengAAAnw] /wiki/index.php?title=Yield_management&action=history Wikimedia\Rdbms\DBQueryError from line 1713 of /home/openpricgb/www.pricingwiki.org/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?

Error 1176: Key 'page_timestamp' doesn't exist in table 'revision' (sqlprive-px10372-001.eu.clouddb.ovh.net:35115)
Function: IndexPager::buildQueryInfo (history page unfiltered)
Query: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,temp_rev_user.revactor_actor AS `rev_actor`,user_name,(SELECT GROUP_CONCAT(ctd_name SEPARATOR ',') FROM `change_tag` JOIN `change_tag_def` ON ((ct_tag_id=ctd_id)) WHERE ct_rev_id=rev_id ) AS `ts_tags` FROM `revision` FORCE INDEX (page_timestamp) JOIN `revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `revision_actor_temp` `temp_rev_user` ON ((temp_rev_user.revactor_rev = rev_id)) JOIN `actor` `actor_rev_user` ON ((actor_rev_user.actor_id = temp_rev_user.revactor_actor)) LEFT JOIN `user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_page = 252 ORDER BY rev_timestamp DESC,rev_id DESC LIMIT 51

Backtrace:

#0 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/Database.php(1697): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/Database.php(1672): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/Database.php(1241): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/Database.php(1921): Wikimedia\Rdbms\Database->query(string, string, integer)
#4 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->select(array, array, array, string, array, array)
#5 /home/openpricgb/www.pricingwiki.org/wiki/includes/libs/rdbms/database/DBConnRef.php(313): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#6 /home/openpricgb/www.pricingwiki.org/wiki/includes/pager/IndexPager.php(449): Wikimedia\Rdbms\DBConnRef->select(array, array, array, string, array, array)
#7 /home/openpricgb/www.pricingwiki.org/wiki/includes/pager/IndexPager.php(278): IndexPager->reallyDoQuery(string, integer, boolean)
#8 /home/openpricgb/www.pricingwiki.org/wiki/includes/pager/IndexPager.php(788): IndexPager->doQuery()
#9 /home/openpricgb/www.pricingwiki.org/wiki/includes/pager/ReverseChronologicalPager.php(44): IndexPager->isNavigationBarShown()
#10 /home/openpricgb/www.pricingwiki.org/wiki/includes/actions/HistoryAction.php(304): ReverseChronologicalPager->getNavigationBar()
#11 /home/openpricgb/www.pricingwiki.org/wiki/includes/actions/FormlessAction.php(48): HistoryAction->onView()
#12 /home/openpricgb/www.pricingwiki.org/wiki/includes/MediaWiki.php(531): FormlessAction->show()
#13 /home/openpricgb/www.pricingwiki.org/wiki/includes/MediaWiki.php(313): MediaWiki->performAction(Article, Title)
#14 /home/openpricgb/www.pricingwiki.org/wiki/includes/MediaWiki.php(947): MediaWiki->performRequest()
#15 /home/openpricgb/www.pricingwiki.org/wiki/includes/MediaWiki.php(547): MediaWiki->main()
#16 /home/openpricgb/www.pricingwiki.org/wiki/index.php(53): MediaWiki->run()
#17 /home/openpricgb/www.pricingwiki.org/wiki/index.php(46): wfIndexMain()
#18 {main}