Title: [Plugin: CKEditor For WordPress] Warning: Cannot modify header information…
Last modified: August 20, 2016

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# [Plugin: CKEditor For WordPress] Warning: Cannot modify header information…

 *  Resolved [Igor Isaias Banlian](https://wordpress.org/support/users/igor-isaias-banlian/)
 * (@igor-isaias-banlian)
 * [14 years, 5 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/)
 * How to solve the problem below?
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/extre674/public_html/gamingbrasil/wp-includes/general-template.php:2101)
   in /home/extre674/public_html/gamingbrasil/wp-includes/functions.php on line 
   861
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/extre674/public_html/gamingbrasil/wp-includes/general-template.php:2101)
   in /home/extre674/public_html/gamingbrasil/wp-includes/functions.php on line 
   862
 * Note: This problem is displayed on the page: /wp-admin/admin.php?page=ckeditor_settings
 * WordPress version: 3.3
    Plugin version: 3.6.2.4
 * Sorry for my bad English!
 * Regards,
    Igor Isaias Banlian
 * [http://wordpress.org/extend/plugins/ckeditor-for-wordpress/](http://wordpress.org/extend/plugins/ckeditor-for-wordpress/)

Viewing 9 replies - 1 through 9 (of 9 total)

 *  Plugin Contributor [michal](https://wordpress.org/support/users/michal_cksource/)
 * (@michal_cksource)
 * [14 years, 5 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2476811)
 * Hi,
    what theme do you use ? I can’t reproduce this on my host. What PHP version
   and server do you use ?
 *  Thread Starter [Igor Isaias Banlian](https://wordpress.org/support/users/igor-isaias-banlian/)
 * (@igor-isaias-banlian)
 * [14 years, 5 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477000)
 * Theme: Twenty Eleven 1.3
    PHP version: 5.2.17
 * Sorry for my bad English!
 * Regards,
    Igor Isaias Banlian
 *  Plugin Contributor [michal](https://wordpress.org/support/users/michal_cksource/)
 * (@michal_cksource)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477083)
 * I use the same theme , wordpress 3.3 , PHP 5.3.5 and I can’t reproduce this issue.
 *  Thread Starter [Igor Isaias Banlian](https://wordpress.org/support/users/igor-isaias-banlian/)
 * (@igor-isaias-banlian)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477084)
 * May have to do with plugin Twitter Tools 2.4 because it was after the installation
   of this plugin that began to show such a mistake…
 * Sorry for my bad English!
 * Regards,
    Igor Isaias Banlian
 *  Plugin Contributor [michal](https://wordpress.org/support/users/michal_cksource/)
 * (@michal_cksource)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477087)
 * Does this error shows if you turn off (disable) Twitter Tools 2.4 plugin ?
 *  Thread Starter [Igor Isaias Banlian](https://wordpress.org/support/users/igor-isaias-banlian/)
 * (@igor-isaias-banlian)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477089)
 * No! I can disable all other plugins that the error continues…
 * Sorry for my bad English!
 * Regards,
    Igor Isaias Banlian
 *  Plugin Contributor [michal](https://wordpress.org/support/users/michal_cksource/)
 * (@michal_cksource)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477091)
 * Please list all your plugins that you use. Than we try find where the error is.
 *  Thread Starter [Igor Isaias Banlian](https://wordpress.org/support/users/igor-isaias-banlian/)
 * (@igor-isaias-banlian)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477096)
 * I reinstalled the WordPress and plugins, the problem was solved!
 * Probably some file was corrupted…
 * Sorry for my bad English!
 * Regards,
    Igor Isaias Banlian
 *  Plugin Contributor [michal](https://wordpress.org/support/users/michal_cksource/)
 * (@michal_cksource)
 * [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477101)
 * Glad to hear that everything works fine now.

Viewing 9 replies - 1 through 9 (of 9 total)

The topic ‘[Plugin: CKEditor For WordPress] Warning: Cannot modify header information…’
is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/ckeditor-for-wordpress_fbf8d9.svg)
 * [CKEditor for WordPress](https://wordpress.org/plugins/ckeditor-for-wordpress/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/ckeditor-for-wordpress/#faq)
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 * 9 replies
 * 2 participants
 * Last reply from: [michal](https://wordpress.org/support/users/michal_cksource/)
 * Last activity: [14 years, 4 months ago](https://wordpress.org/support/topic/plugin-ckeditor-for-wordpress-warning-cannot-modify-header-information/#post-2477101)
 * Status: resolved