WordPress database error: [Unknown table 'wp_posts.ec3_sch' in order clause]
SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id) INNER JOIN wp_term_taxonomy ON (wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id) LEFT JOIN wp_ec3_schedule ec3_sch ON ec3_sch.post_id=id AND ec3_sch.end>='2008-07-05 00:00:00' WHERE 1=1 AND wp_term_taxonomy.taxonomy = 'category' AND wp_term_taxonomy.term_id IN ('4') AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish') AND ec3_sch.post_id IS NOT NULL GROUP BY wp_posts.ID ORDER BY wp_posts.ec3_sch.start LIMIT 0, 5