Title: Cannot modify header information
Last modified: March 6, 2017

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# Cannot modify header information

 *  Resolved [Christina](https://wordpress.org/support/users/carasmo/)
 * (@carasmo)
 * [9 years, 3 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-130/)
 * I have debug on and I get this error when submitting:
 *     ```
        Notice: add_option was called with an argument that is deprecated since version 2.3.0 with no alternative available. in /home/.../public_html/wp-includes/functions.php on line 4023
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/.../public_html/wp-includes/functions.php:4023) in /home/.../public_html/wp-admin/post.php on line 197
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/.../public_html/wp-includes/functions.php:4023) in /home/.../public_html/wp-includes/pluggable.php on line 1179
       ```
   

Viewing 1 replies (of 1 total)

 *  Thread Starter [Christina](https://wordpress.org/support/users/carasmo/)
 * (@carasmo)
 * [9 years, 2 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-130/#post-8974595)
 * This was me and some other plugin. Sorry.

Viewing 1 replies (of 1 total)

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## Tags

 * [deprecated](https://wordpress.org/support/topic-tag/deprecated/)
 * [header](https://wordpress.org/support/topic-tag/header/)

 * 1 reply
 * 1 participant
 * Last reply from: [Christina](https://wordpress.org/support/users/carasmo/)
 * Last activity: [9 years, 2 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-130/#post-8974595)
 * Status: resolved