Warning:  [mysql error 1054] Unknown column 'ui.verified_artist' in 'field list'

SELECT SQL_CALC_FOUND_ROWS com.id AS comment_id,
       com.image_id,
       ic.category_id,
       com.author,
       com.author_id,
	   ui.verified_artist,
       u.mail_address AS user_email,
       com.email,
       com.date,
       com.website_url,
       com.content,
       com.validated
  FROM piwigo_image_category AS ic
    INNER JOIN piwigo_comments AS com
    ON ic.image_id = com.image_id
    LEFT JOIN piwigo_users As u
    ON u.id = com.author_id
  INNER JOIN piwigo_user_infos AS ui ON u.id = ui.user_id 
  WHERE 1=1
    AND validated='true'
    AND  (ic.image_id NOT IN (1829,1851,1915,2175,2191,2216,2230,2235,2258,2265))
  GROUP BY comment_id
  ORDER BY date DESC
  LIMIT 10 OFFSET 0
; in /home/www/clients/client1/web13/web/include/dblayer/functions_mysqli.inc.php on line 830