Please help, I just converted my joomla site to wordpress and have exported my posts, but there are some posts in just 2 categories that won't be converted and returned an error: SELECT term_taxonomy_id FROM wp_term_taxonomy WHERE wp_term_taxonomy.term_id = 21 AND wp_term_taxonomy.taxonomy = 'category' SELECT id from wp_posts WHERE wp_posts.post_title = 'mytitle' Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/mysite/public_html/export/index.php on line 534 INSERT INTO wp_term_relationships (object_id, term_taxonomy_id) VALUES ('259', '21') Query failed Please help, what could I do?