Database error

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

[ZgVhtC1bZVcAABnZp-kAAAAC] /dpldemo/index.php?title=DPL:Discussion&oldid=11878 DBQueryError from line 1054 of /var/www/vhosts/followthescore.org/httpdocs/dpldemo/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 rev.rev_timestamp,REPLACE(CONCAT(IF(`page`.page_namespace = 0, '', CONCAT(CASE `page`.page_namespace WHEN 1 THEN 'Talk:' WHEN 2 THEN 'User:' WHEN 3 THEN 'User_talk:' WHEN 4 THEN 'FollowTheScore:' WHEN 5 THEN 'FollowTheScore_talk:' WHEN 6 THEN 'File:' WHEN 7 THEN 'File_talk:' WHEN 8 THEN 'MediaWiki:' WHEN 9 THEN 'MediaWiki_talk:' WHEN 10 THEN 'Template:' WHEN 11 THEN 'Template_talk:' WHEN 12 THEN 'Help:' WHEN 13 THEN 'Help_talk:' WHEN 14 THEN 'Category:' WHEN 15 THEN 'Category_talk:' WHEN 102 THEN 'Test:' WHEN 103 THEN 'Test_talk:' WHEN 104 THEN 'DPL:' WHEN 105 THEN 'DPL_talk:' WHEN 106 THEN 'Wgraph:' WHEN 107 THEN 'Wgraph_talk:' WHEN 108 THEN 'Issue:' WHEN 109 THEN 'Issue_talk:' END, ':')), `page`.page_title), '_', ' ') AS `sortkey`,rev_user,rev_user_text,rev_comment,creation_rev.rev_user,creation_rev.rev_user_text,creation_rev.rev_comment,`page`.page_namespace AS `page_namespace`,`page`.page_id AS `page_id`,`page`.page_title AS `page_title` FROM `revision` `rev`,`revision` `creation_rev`,`page` WHERE (`page`.page_id = rev.rev_page) AND (rev.rev_timestamp = (SELECT MAX(rev_aux.rev_timestamp) FROM `revision` AS rev_aux WHERE rev_aux.rev_page = rev.rev_page)) AND `page`.page_is_redirect = '0' AND `page`.page_namespace = '6' AND (`page`.page_id = rev.rev_page) AND ('Roc michael' = creation_rev.rev_user_text) AND (creation_rev.rev_page = page_id) AND (creation_rev.rev_parent_id = 0) ORDER BY rev.rev_timestamp DESC,sortkey DESC LIMIT 500
Function: Database::query
Error: 1052 Column 'rev_user' in field list is ambiguous (localhost)

Backtrace:

#0 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/libs/rdbms/database/Database.php(912): Database->reportQueryError()
#1 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/extensions/DynamicPageList/classes/Query.php(307): Database->query()
#2 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/extensions/DynamicPageList/classes/Parse.php(223): DPL\Query->buildAndSelect()
#3 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/extensions/DynamicPageList/DynamicPageList.hooks.php(252): DPL\Parse->parse()
#4 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/extensions/DynamicPageList/DynamicPageList.hooks.php(231): DynamicPageListHooks::executeTag()
#5 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/parser/Parser.php(3868): DynamicPageListHooks::dplTag()
#6 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/parser/Preprocessor_DOM.php(1260): Parser->extensionSubstitution()
#7 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/parser/Parser.php(2931): PPFrame_DOM->expand()
#8 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/parser/Parser.php(1278): Parser->replaceVariables()
#9 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/parser/Parser.php(447): Parser->internalParse()
#10 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/content/WikitextContent.php(330): Parser->parse()
#11 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput()
#12 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/poolcounter/PoolWorkArticleView.php(139): AbstractContent->getParserOutput()
#13 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#14 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/page/Article.php(650): PoolCounterWork->execute()
#15 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/actions/ViewAction.php(71): Article->view()
#16 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/MediaWiki.php(495): ViewAction->show()
#17 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/MediaWiki.php(289): MediaWiki->performAction()
#18 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/MediaWiki.php(851): MediaWiki->performRequest()
#19 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/includes/MediaWiki.php(512): MediaWiki->main()
#20 /var/www/vhosts/followthescore.org/httpdocs/dpldemo/index.php(43): MediaWiki->run()
#21 {main}