Title: WP Editor error
Last modified: August 4, 2021

---

# WP Editor error

 *  [julia77](https://wordpress.org/support/users/julia77/)
 * (@julia77)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/wp-editor-error/)
 * Hello,
 * WP editor is not working to create pages/posts. Debug mode throws this:
 * > `Error notice: Undefined property: wpdb::$dmtable in /home/rabbitr1/public_html/
   > wp-includes/wp-db.php on line 648
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/rabbitr1/public_html/wp-includes/wp-db.php:648) in /home/rabbitr1/
   > public_html/wp-includes/functions.php on line 6584
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/rabbitr1/public_html/wp-includes/wp-db.php:648) in /home/rabbitr1/
   > public_html/wp-admin/includes/misc.php on line 1310
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/rabbitr1/public_html/wp-includes/wp-db.php:648) in /home/rabbitr1/
   > public_html/wp-admin/admin-header.php on line 9`
 * And _admin-header.php_ file on line 9 says:
 * > header( ‘Content-Type: ‘ . get_option( ‘html_type’ ) . ‘; charset=’ . get_option(‘
   > blog_charset’ ) );
   >  if ( ! defined( ‘WP_ADMIN’ ) ) { require_once __DIR__ .‘/
   > admin.php’; }
 * There´ve been no changes in theme and plugins:
 * – WP v5.8
    – Hello Elementor theme v2.4.1 – Elementor 3.3.1 – Elementor Pro 3.0.5
 * What had caused this error?
 * Regards,
 * Julia

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Moderator [t-p](https://wordpress.org/support/users/t-p/)
 * (@t-p)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/wp-editor-error/#post-14734992)
 * Try reviewing this info to solve header already sent problem: [https://wordpress.org/support/article/faq-troubleshooting/#how-do-i-solve-the-headers-already-sent-warning-problem](https://wordpress.org/support/article/faq-troubleshooting/#how-do-i-solve-the-headers-already-sent-warning-problem)
 *  Thread Starter [julia77](https://wordpress.org/support/users/julia77/)
 * (@julia77)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/wp-editor-error/#post-14735122)
 * Hello [@t-p](https://wordpress.org/support/users/t-p/),
 * There´s no spaces, new lines, or other stuff before an opening <?phptag or after
   a closing ?> tag in wp-dp.php.
 *  Thread Starter [julia77](https://wordpress.org/support/users/julia77/)
 * (@julia77)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/wp-editor-error/#post-14735259)
 * When copying the error (clipboard):
 *     ```
       Oc@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:169:18
       ah/<@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:80:357
       T@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:95:457
       zj@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:227:428
       Th@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:152:225
       tj@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:152:152
       Te@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:146:151
       Pg/<@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:61:68
       unstable_runWithPriority@https://www.site.com/wp-includes/js/dist/vendor/react.min.js:25:260
       Da@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:60:280
       Pg@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:61:16
       ha@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:60:451
       Ja@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:224:400
       ch@https://www.site.com/wp-includes/js/dist/vendor/react-dom.min.js:93:81
       e@https://www.site.com/wp-includes/js/dist/data.min.js:2:30992
       t@https://www.site.com/wp-includes/js/dist/data.min.js:2:31063
       instantiate/w</<@https://www.site.com/wp-includes/js/dist/data.min.js:2:22102
       p@https://www.site.com/wp-includes/js/dist/data.min.js:2:11569
       s/</</<@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:9784
       M/</<@https://www.site.com/wp-includes/js/dist/data.min.js:2:14845
       U/</</<@https://www.site.com/wp-includes/js/dist/data.min.js:2:15272
       dispatch@https://www.site.com/wp-includes/js/dist/data.min.js:2:13294
       n@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:9459
       e/<@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5211
       e@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5186
       u/<@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5140
       432/r.any@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5737
       e/<@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5211
       e@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5186
       u/<@https://www.site.com/wp-includes/js/dist/redux-routine.min.js:2:5134
       ```
   

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘WP Editor error’ is closed to new replies.

## Tags

 * [editor](https://wordpress.org/support/topic-tag/editor/)
 * [wp-db](https://wordpress.org/support/topic-tag/wp-db/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [julia77](https://wordpress.org/support/users/julia77/)
 * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/wp-editor-error/#post-14735259)
 * Status: not resolved

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