Title: PHP error Cannot modify header information
Last modified: August 13, 2019

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# PHP error Cannot modify header information

 *  Resolved [mickwall](https://wordpress.org/support/users/mickwall/)
 * (@mickwall)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/php-error-cannot-modify-header-information/)
 * Hi
 * My PHP error log is full of these errors
 * Cannot modify header information – headers already sent in /……/wp-content/plugins/
   my-tickets/mt-button.php on line 788
 * Is there anything that can be done to fix this error?
    -  This topic was modified 6 years, 10 months ago by [mickwall](https://wordpress.org/support/users/mickwall/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-error-cannot-modify-header-information%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

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 * 0 replies
 * 1 participant
 * Last reply from: [mickwall](https://wordpress.org/support/users/mickwall/)
 * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/php-error-cannot-modify-header-information/)
 * Status: resolved