Title: Warning: Cannot modify header information
Last modified: July 24, 2017

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# Warning: Cannot modify header information

 *  Resolved [Mikael Boldt](https://wordpress.org/support/users/boldt/)
 * (@boldt)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-182/)
 * Suddenly this warning pops up:
 * > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/www/fancyskirts.dk/wp-content/plugins/easy-facebook-likebox/
   > includes/easy-custom-facebook-feed-widget.php:3) in /home/www/fancyskirts.dk/
   > wp-content/plugins/wpfront-notification-bar/classes/class-wpfront-notification-
   > bar.php on line 68
 * What to do?

Viewing 1 replies (of 1 total)

 *  Thread Starter [Mikael Boldt](https://wordpress.org/support/users/boldt/)
 * (@boldt)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-182/#post-9345895)
 * Sorry, this has nothing to do with this Plugin. It is a more serious problem

Viewing 1 replies (of 1 total)

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

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## Tags

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

 * 1 reply
 * 1 participant
 * Last reply from: [Mikael Boldt](https://wordpress.org/support/users/boldt/)
 * Last activity: [8 years, 9 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-182/#post-9345895)
 * Status: resolved