Title: 3.9 wpdb error
Last modified: August 21, 2016

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# 3.9 wpdb error

 *  [Jamie O](https://wordpress.org/support/users/idealien/)
 * (@idealien)
 * [11 years, 10 months ago](https://wordpress.org/support/topic/39-wpdb-error/)
 * Warning: Missing argument 2 for wpdb::prepare(), called in /srv/www/site.dev/
   current/web/app/plugins/category-icons/category_icons.php on line 1047 and defined
   in /srv/www/site.dev/current/web/wp/wp-includes/wp-db.php on line 1147
 * Notice: wpdb::prepare was called incorrectly. The query argument of wpdb::prepare()
   must have a placeholder. Please see Debugging in WordPress for more information.(
   This message was added in version 3.9.) in /srv/www/site.dev/current/web/wp/wp-
   includes/functions.php on line 3245
 * [https://wordpress.org/plugins/category-icons/](https://wordpress.org/plugins/category-icons/)

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 * 0 replies
 * 1 participant
 * Last reply from: [Jamie O](https://wordpress.org/support/users/idealien/)
 * Last activity: [11 years, 10 months ago](https://wordpress.org/support/topic/39-wpdb-error/)
 * Status: not resolved