Title: Upgrading Problem
Last modified: August 18, 2016

---

# Upgrading Problem

 *  [Microdot](https://wordpress.org/support/users/microdot/)
 * (@microdot)
 * [19 years, 3 months ago](https://wordpress.org/support/topic/upgrading-problem-2/)
 * Hi, just upgraded to 2.1 and I’m getting this error message under the Categories:
 * WordPress database error: [Unknown column ‘link_count’ in ‘where clause’]
    SELECT*
   FROM wp_categories WHERE cat_ID > 0 AND link_count > 0 ORDER BY cat_name ASC
 * Also, I cannot see any categories when I publish a post.
 * Many thanks for your help,

Viewing 1 replies (of 1 total)

 *  [cholito](https://wordpress.org/support/users/cholito/)
 * (@cholito)
 * [19 years, 3 months ago](https://wordpress.org/support/topic/upgrading-problem-2/#post-516650)
 * I had the same problem. I solved by doing this:
 * [http://cholito.org/2007/02/17/solving-wp-upgrade/](http://cholito.org/2007/02/17/solving-wp-upgrade/)

Viewing 1 replies (of 1 total)

The topic ‘Upgrading Problem’ is closed to new replies.

## Tags

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

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 1 reply
 * 2 participants
 * Last reply from: [cholito](https://wordpress.org/support/users/cholito/)
 * Last activity: [19 years, 3 months ago](https://wordpress.org/support/topic/upgrading-problem-2/#post-516650)
 * Status: not resolved

## Topics

### Topics with no replies

### Non-support topics

### Resolved topics

### Unresolved topics

### All topics