WordPress database error: [Column 'category_id' in where clause is ambiguous]
SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts LEFT JOIN wp_post2cat ON (wp_posts.ID = wp_post2cat.post_id) LEFT JOIN wp_categories ON (wp_post2cat.category_id = wp_categories.cat_ID) LEFT JOIN wp_post2cat ec3_post2cat ON ec3_post2cat.post_id=id WHERE 1=1 AND category_id IN (5) AND (post_type = 'post' AND (post_status = 'publish')) AND ec3_post2cat.category_id!=4 GROUP BY wp_posts.ID ORDER BY post_date DESC LIMIT 0, 10