WordPress database error:

WordPress database error: [Table ‘deidre_deidre.wp_post2cat’ doesn’t exist]
SELECT DISTINCT posts.ID, posts.post_title FROM wp_posts posts, wp_post2cat post2cat WHERE posts.ID <> 17 AND posts.post_status = ‘publish’ AND posts.ID = post2cat.post_id AND post2cat.category_id IN(5) ORDER BY posts.post_date DESC LIMIT 5