wp-insert, DB Problem ?

[B]WordPress Datenbank-Fehler:[/B] [Table 'db253432.wp_post2cat' doesn't exist]
        SELECT p2c.category_id AS cat_id, COUNT(p2c.rel_id) AS numposts,                 UNIX_TIMESTAMP(max(posts.post_date_gmt)) + '2' AS last_post_date,                 UNIX_TIMESTAMP(max(posts.post_date_gmt)) AS last_post_date_gmt                 FROM wp_post2cat p2c                 INNER JOIN wp_posts posts ON p2c.post_id=posts.id                 WHERE 1 = 1                 AND posts.post_type = 'post' AND posts.post_status = 'publish'                 AND posts.post_date_gmt <= '2009-07-27 11:08:51'                                                   GROUP BY p2c.category_id                 ORDER BY numposts DESC