Title: WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
Last modified: June 23, 2017

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# WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]

 *  [canerk](https://wordpress.org/support/users/canerk/)
 * (@canerk)
 * [9 years ago](https://wordpress.org/support/topic/wordpress-database-error-duplicate-entry-0-for-key-primary/)
 * Hi,
    Please help me now. I have this error: WordPress database error: [Duplicate
   entry ‘0’ for key ‘PRIMARY’] [Error screenshot ](http://prntscr.com/fn5js1) [This my paged](https://vnmarket.canerdev.com/project/holiday/)
   I used the shortcode [ratings id=post_ID ] to get the rating. Thanks.

Viewing 1 replies (of 1 total)

 *  Plugin Author [Lester Chan](https://wordpress.org/support/users/gamerz/)
 * (@gamerz)
 * [9 years ago](https://wordpress.org/support/topic/wordpress-database-error-duplicate-entry-0-for-key-primary/#post-9269079)
 * Hmm what version of MySQL are you using? When you insert a 0, it should insert
   the auto increment ID
 * You need to check and ensure that your MySQL is not on “NO_AUTO_VALUE_ON_ZERO”
   mode

Viewing 1 replies (of 1 total)

The topic ‘WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]’ is
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## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [Lester Chan](https://wordpress.org/support/users/gamerz/)
 * Last activity: [9 years ago](https://wordpress.org/support/topic/wordpress-database-error-duplicate-entry-0-for-key-primary/#post-9269079)
 * Status: not resolved