Title: Cannot modify header information
Last modified: July 20, 2018

---

# Cannot modify header information

 *  Resolved [k0rgan](https://wordpress.org/support/users/k0rgan/)
 * (@k0rgan)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/)
 * while maintaining the post had an error:
 * `PHP Warning: Cannot modify header information - headers already sent by (output
   started at /var/www/site.com/wp-content/plugins/styles-and-layouts-for-gravity-
   forms/display/class-styles.php:149) in /var/www/site.com/wp-admin/post.php on
   line 198, referer: https://.com/wp-admin/post.php?post=5&action=edit`
 * `PHP Warning: Cannot modify header information - headers already sent by (output
   started at /var/www/site.com/wp-content/plugins/styles-and-layouts-for-gravity-
   forms/display/class-styles.php:149) in /var/www/site.com/wp-includes/pluggable.
   php on line 1219, referer: https://site.com/wp-admin/post.php?post=5&action=edit`

Viewing 6 replies - 1 through 6 (of 6 total)

 *  Plugin Author [wpmonks](https://wordpress.org/support/users/wpmonks/)
 * (@wpmonks)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10518754)
 * Please update to the latest version of plugin. This should fix the issue.
 *  Thread Starter [k0rgan](https://wordpress.org/support/users/k0rgan/)
 * (@k0rgan)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10518821)
 * Updated. The problem is not solved.
 * `PHP Warning: Cannot modify header information - headers already sent by (output
   started at /var/www/site.com/wp-content/plugins/styles-and-layouts-for-gravity-
   forms/display/class-styles.php:635) in /var/www/site.com/wp-admin/post.php on
   line 198, referer: https://site.com/wp-admin/post.php?post=5&action=edit`
 * `PHP Warning: Cannot modify header information - headers already sent by (output
   started at /var/www/site.com/wp-content/plugins/styles-and-layouts-for-gravity-
   forms/display/class-styles.php:635) in /var/www/site.com/wp-includes/pluggable.
   php on line 1219, referer: https://site.com/wp-admin/post.php?post=5&action=edit`
 *  Plugin Author [wpmonks](https://wordpress.org/support/users/wpmonks/)
 * (@wpmonks)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10525788)
 * The issue is fixed now. Please check
 *  Thread Starter [k0rgan](https://wordpress.org/support/users/k0rgan/)
 * (@k0rgan)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10525827)
 * I can not now properly configure the styles
    Text Fields – Field Width does not
   work And so on
 *  Plugin Author [wpmonks](https://wordpress.org/support/users/wpmonks/)
 * (@wpmonks)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10526324)
 * I tried changing the width of text field inputs and it worked fine for me.
 * I have also sent an email to you.. let me know if you got it.
 *  Thread Starter [k0rgan](https://wordpress.org/support/users/k0rgan/)
 * (@k0rgan)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10526334)
 * After updating the plug-in everything was fine
    Thank you

Viewing 6 replies - 1 through 6 (of 6 total)

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

 * ![](https://ps.w.org/styles-and-layouts-for-gravity-forms/assets/icon-256x256.
   png?rev=1352290)
 * [Gravity Booster - Styles & Layouts for Gravity Forms](https://wordpress.org/plugins/styles-and-layouts-for-gravity-forms/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/styles-and-layouts-for-gravity-forms/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/styles-and-layouts-for-gravity-forms/)
 * [Active Topics](https://wordpress.org/support/plugin/styles-and-layouts-for-gravity-forms/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/styles-and-layouts-for-gravity-forms/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/styles-and-layouts-for-gravity-forms/reviews/)

## Tags

 * [Cannot modify header information](https://wordpress.org/support/topic-tag/cannot-modify-header-information/)

 * 6 replies
 * 0 participants
 * Last reply from: [k0rgan](https://wordpress.org/support/users/k0rgan/)
 * Last activity: [7 years, 9 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-145/#post-10526334)
 * Status: resolved