Query failed:
SELECT 
                    ep_sticky.value AS orderkey,

                    e.id,
                    e.title,
                    e.timestamp,
                    e.comments,
                    e.exflag,
                    e.authorid,
                    e.trackbacks,
                    e.isdraft,
                    e.allow_comments,
                    e.last_modified,

                    a.realname AS author,
                    a.username AS loginname,
                    a.email
                     , e.body, e.extended
                     
                FROM
                    s9y_entries AS e
                    LEFT JOIN s9y_authors a
                        ON e.authorid = a.authorid
                    LEFT JOIN s9y_entrycat ec
                        ON e.id = ec.entryid
                    LEFT JOIN s9y_category c
                        ON ec.categoryid = c.categoryid
                     LEFT OUTER JOIN s9y_entryproperties ep_no_frontpage
                                                  ON (e.id = ep_no_frontpage.entryid AND ep_no_frontpage.property = 'ep_no_frontpage')
 LEFT OUTER JOIN s9y_entryproperties ep_access
                                              ON (e.id = ep_access.entryid AND ep_access.property = 'ep_access')
 LEFT JOIN s9y_entryproperties ep_sticky
                                            ON (e.id = ep_sticky.entryid AND ep_sticky.property = 'ep_is_sticky')
                     WHERE e.timestamp >= 1357016400 AND e.timestamp <= 1359694799 AND isdraft = 'false' AND e.timestamp <= 1369152300 AND  (ep_access.property IS NULL OR ep_access.value = 'public') AND  (ep_no_frontpage.property IS NULL OR ep_no_frontpage.value != 'true')  
                     GROUP BY e.id
                     
                     ORDER BY orderkey DESC, timestamp DESC
                      LIMIT 30, 10
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