Title: 2.2.3 upgrade issues
Last modified: August 18, 2016

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# 2.2.3 upgrade issues

 *  [rugmuncher](https://wordpress.org/support/users/rugmuncher/)
 * (@rugmuncher)
 * [18 years, 9 months ago](https://wordpress.org/support/topic/223-upgrade-issues/)
 * After installing the new 2.2.3, from 2.2.2 i now receive these errors;
 * WordPress database error: [Duplicate entry ‘0’ for key 1]
    INSERT INTO wp_postmeta(
   post_id,meta_key,meta_value) VALUES (‘0′,’_encloseme’,’1′)
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/evolved/public_html/anti-police/blog/wp-includes/wp-db.php:133) in /
   home/evolved/public_html/anti-police/blog/wp-includes/pluggable.php on line 341
 * Any ideas?
 * Any help is appreciated.

The topic ‘2.2.3 upgrade issues’ is closed to new replies.

## Tags

 * [Database Error](https://wordpress.org/support/topic-tag/database-error/)
 * [Duplicate Entry](https://wordpress.org/support/topic-tag/duplicate-entry/)
 * [install issues](https://wordpress.org/support/topic-tag/install-issues/)

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 0 replies
 * 1 participant
 * Last reply from: [rugmuncher](https://wordpress.org/support/users/rugmuncher/)
 * Last activity: [18 years, 9 months ago](https://wordpress.org/support/topic/223-upgrade-issues/)
 * Status: not resolved

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