Title: Warning: Cannot modify header information
Last modified: August 20, 2016

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# Warning: Cannot modify header information

 *  Resolved [robinhhg](https://wordpress.org/support/users/robinhhg/)
 * (@robinhhg)
 * [14 years, 8 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-74/)
 * I upload all my files to host
    the website is fine when i want to login to dashboard
   this error shows up : Warning: Cannot modify header information – headers already
   sent by (output started at /home3/tjyhardw/public_html/wp-content/themes/TJY/
   functions.php:1) in /home3/tjyhardw/public_html/wp-includes/pluggable.php on 
   line 934

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [esmi](https://wordpress.org/support/users/esmi/)
 * (@esmi)
 * [14 years, 8 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-74/#post-2282810)
 * [Solving “headers already sent” warnings](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F)
 *  Thread Starter [robinhhg](https://wordpress.org/support/users/robinhhg/)
 * (@robinhhg)
 * [14 years, 8 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-74/#post-2282816)
 * Thanks a lot
    problem solved

Viewing 2 replies - 1 through 2 (of 2 total)

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

## Tags

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

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 2 replies
 * 2 participants
 * Last reply from: [robinhhg](https://wordpress.org/support/users/robinhhg/)
 * Last activity: [14 years, 8 months ago](https://wordpress.org/support/topic/warning-cannot-modify-header-information-74/#post-2282816)
 * Status: resolved

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