Title: Warning: Cannot modify header information
Last modified: August 27, 2021

---

# Warning: Cannot modify header information

 *  Resolved [Jules Colle](https://wordpress.org/support/users/jules-colle/)
 * (@jules-colle)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-211/)
 * After installing the plugin, when I open the block editor, I briefly see this
   message:
 * `Warning: Cannot modify header information - headers already sent by (output 
   started at [...]/public_html/wp-content/plugins/gs-team-members/includes/gs-team-
   scripts.php:360) in [...]/public_html/wp-admin/admin-header.php on line 9`
 * With the plugin disabled, the warning goes away.
 * (I know I can get rid of it by setting WP_DEBUG to false, but I like to keep 
   all warnings and notices to a minimum on my site)

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

 *  Plugin Author [GS Plugins](https://wordpress.org/support/users/gsplugins/)
 * (@gsplugins)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-211/#post-14812272)
 * Hi [@jules-colle](https://wordpress.org/support/users/jules-colle/)
 * Thanks for the concern.
 * We’ll check & release new version after fixing the issue.
 * Is the error showing on any specific block or on the full editor?
 * Please let us know more details & allow time to fix.
 * Thanks / Sarwar
 *  Plugin Author [GS Plugins](https://wordpress.org/support/users/gsplugins/)
 * (@gsplugins)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-211/#post-14874509)
 * Hi [@jules-colle](https://wordpress.org/support/users/jules-colle/)
 * Just released a new version & fixed the warning – Cannot Modify Header information.
 * Please check & let us know if you face any issues.
 *     ```
       VERSION 1.10.17 [15TH SEPTEMBER 21]
       [Added] : Ribbon support at Filter Grid to Single Theme.
       [Fixed] : Select Field Syncing Issue.
       [Fixed] : Select Field Two-way Binding for Group issue.
       [Fixed] : The warning – Cannot Modify Header information.
       [Fixed] : List Template Container Issue.
       [Fixed] : 2 Columns Issue at Mobile.
       [Fixed] : Select Field Dropdown Issue on Firefox.
       [Fixed] : Popup 2 Columns Issue on Firefox.
       ```
   
 * Sarwar
    -  This reply was modified 4 years, 11 months ago by [GS Plugins](https://wordpress.org/support/users/gsplugins/).
 *  Thread Starter [Jules Colle](https://wordpress.org/support/users/jules-colle/)
 * (@jules-colle)
 * [4 years, 10 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-211/#post-14882423)
 * Looks good, thanks!

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

The topic ‘Warning: Cannot modify header information’ is closed to new replies.

 * ![](https://ps.w.org/gs-team-members/assets/icon-128x128.png?rev=2999903)
 * [Team Members - A WordPress Team Plugin with Gallery, Grid, Carousel, Slider, Table, List, and More](https://wordpress.org/plugins/gs-team-members/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/gs-team-members/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/gs-team-members/)
 * [Active Topics](https://wordpress.org/support/plugin/gs-team-members/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/gs-team-members/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/gs-team-members/reviews/)

## Tags

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

 * 3 replies
 * 2 participants
 * Last reply from: [Jules Colle](https://wordpress.org/support/users/jules-colle/)
 * Last activity: [4 years, 10 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-211/#post-14882423)
 * Status: resolved