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
                    INNER JOIN s9y_entrytags AS entrytags ON (e.id = entrytags.entryid)  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') LEFT JOIN s9y_authorgroups AS acl_a
                                   ON acl_a.authorid = 0
                            LEFT JOIN s9y_access AS acl_acc
                                   ON (    acl_acc.artifact_mode = 'read'
                                       AND acl_acc.artifact_type = 'category'
                                       AND acl_acc.artifact_id   = c.categoryid
                                      )
                    WHERE isdraft = 'false' AND e.timestamp <= 1406221500 AND entrytags.tag = _utf8  'reds browns and greens' COLLATE utf8_general_ci  AND  (ep_access.property IS NULL OR ep_access.value = 'public')  AND     (
                                 c.categoryid IS NULL
                                 OR ( acl_acc.groupid = 0)
                                 OR ( acl_acc.artifact_id IS NULL
                                      
                                    )
                               )
                     GROUP BY e.id
                     
                     ORDER BY orderkey DESC, timestamp DESC
                      LIMIT 15
/ You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ''reds browns and greens' COLLATE utf8_general_ci AND (ep_acce