Title: Database error
Last modified: August 18, 2016

---

# Database error

 *  [neverknow1](https://wordpress.org/support/users/neverknow1/)
 * (@neverknow1)
 * [18 years, 6 months ago](https://wordpress.org/support/topic/database-error-10/)
 * Hello,
 * I just installed a new blog with the v2.3.1. However, when I posted the first
   article, the following error happen.
 * I don’t know why, anyone has idea?
 * Although the post will still go live but seems like this is a database error 
   can be ractify.
 * Please help.
 * Thank you.
 * Steven Wong
    [http://StevenWongBlog.com](http://StevenWongBlog.com) [http://MonsterDropshipperBlog.com](http://MonsterDropshipperBlog.com)
 * WordPress database error: [Table ‘monster_wrdp1.wp_post2cat’ doesn’t exist]
    
   SELECT cat_ID AS ID, MAX(post_modified) AS last_mod FROM `wp_posts` p LEFT JOIN`
   wp_post2cat` pc ON p.ID = pc.post_id LEFT JOIN `wp_categories` c ON pc.category_id
   = c.cat_ID WHERE post_status = ‘publish’ AND post_type = ‘post’ GROUP BY cat_ID
 * WordPress database error: [Table ‘monster_wrdp1.wp_post2cat’ doesn’t exist]
    
   SELECT cat_ID AS ID, MAX(post_modified) AS last_mod FROM `wp_posts` p LEFT JOIN`
   wp_post2cat` pc ON p.ID = pc.post_id LEFT JOIN `wp_categories` c ON pc.category_id
   = c.cat_ID WHERE post_status = ‘publish’ AND post_type = ‘post’ GROUP BY cat_ID
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/monster/public_html/wp-includes/wp-db.php:160) in /home/monster/public_html/
   wp-includes/pluggable.php on line 391

Viewing 1 replies (of 1 total)

 *  [MichaelH](https://wordpress.org/support/users/michaelh/)
 * (@michaelh)
 * [18 years, 6 months ago](https://wordpress.org/support/topic/database-error-10/#post-649150)
 * Please review:
    [http://wordpress.org/support/topic/135564?replies=76](http://wordpress.org/support/topic/135564?replies=76)
 * You likely have an incompatible theme and/or plugin.

Viewing 1 replies (of 1 total)

The topic ‘Database error’ is closed to new replies.

## Tags

 * [database](https://wordpress.org/support/topic-tag/database/)
 * [pluggable](https://wordpress.org/support/topic-tag/pluggable/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 2 participants
 * Last reply from: [MichaelH](https://wordpress.org/support/users/michaelh/)
 * Last activity: [18 years, 6 months ago](https://wordpress.org/support/topic/database-error-10/#post-649150)
 * Status: not resolved

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