This results in the following error when visiting the page:
Original exception: [ce6344b7fb59f5b775e1ea28] /wiki/Special:ApprovedRevs Wikimedia\Rdbms\DBQueryError from line 1603 of .../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 DISTINCT p.page_id AS id,ar.rev_id AS rev_id,p.page_latest AS latest_id FROM `wiki1approved_revs` `ar` JOIN `wiki1page` `p` ON ((ar.page_id=p.page_id)) LEFT OUTER JOIN `wiki1page_props` `pp` ON ((ar.page_id=pp_page)) WHERE (p.page_latest != ar.rev_id AND ( ( pp_propname = 'approvedrevs' AND pp_value = 'y' OR pp_propname = 'approvedrevs-approver-users' OR pp_propname = 'approvedrevs-approver-groups' ) )) ORDER BY p.page_namespace,p.page_title LIMIT 51 Function: SpecialApprovedRevs::reallyDoQuery Error: 3065 Expression #1 of ORDER BY clause is not in SELECT list, references column 'wiki_d.p.page_namespace' which is not in SELECT list; this is incompatible with DISTINCT (10.42.27.186)