Title: Cannot Modify Header Information
Last modified: May 20, 2020

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# Cannot Modify Header Information

 *  [julierachlin1](https://wordpress.org/support/users/julierachlin1/)
 * (@julierachlin1)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-163/)
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/site/public_html/wp-content/plugins/qualpay-woocommerce-plugin-v3.1.1/
   includes/class-qualpay-order.php:88) in /home/site/public_html/wp-includes/functions.
   php on line 6221
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/site/public_html/wp-content/plugins/qualpay-woocommerce-plugin-v3.1.1/
   includes/class-qualpay-order.php:88) in /home/site/public_html/wp-content/plugins/
   qualpay-woocommerce-plugin-v3.1.1/includes/class-qualpay-woocommerce.php on line
   148
 * Seeing similar errors like this repeatedly. Please give me a way to provide the
   link privately as it is a client’s production site. Thank you.

The topic ‘Cannot Modify Header Information’ is closed to new replies.

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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [julierachlin1](https://wordpress.org/support/users/julierachlin1/)
 * Last activity: [5 years, 11 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-163/)
 * Status: not resolved