Title: PHP Warning: Cannot modify header information
Last modified: August 9, 2022

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# PHP Warning: Cannot modify header information

 *  [vacoffeeguy](https://wordpress.org/support/users/vacoffeeguy/)
 * (@vacoffeeguy)
 * [3 years, 10 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-17/)
 * I’m getting the following error writing to my log. Any idea how to address it?
 * [09-Aug-2022 17:22:27 UTC] PHP Warning: Cannot modify header information – headers
   already sent in /wp-content/plugins/duracelltomi-google-tag-manager/public/frontend.
   php on line 610

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

 * ![](https://ps.w.org/duracelltomi-google-tag-manager/assets/icon-256x256.png?
   rev=1708451)
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 * 0 replies
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 * Last reply from: [vacoffeeguy](https://wordpress.org/support/users/vacoffeeguy/)
 * Last activity: [3 years, 10 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-17/)
 * Status: not resolved