Title: PHP Warning: Cannot modify header information
Last modified: August 22, 2016

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# PHP Warning: Cannot modify header information

 *  [xyztina](https://wordpress.org/support/users/xyztina/)
 * (@xyztina)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-8/)
 * Get the following errors in php_errors.log …
 * `PHP Warning: Cannot modify header information - headers already sent by (output
   started at /mnt/stor1-wc2-dfw1/469547/756542/www.cefgreenville.com/web/content/
   wp-content/plugins/member-access/lib/MemberAccess.php:1) in /mnt/stor1-wc2-dfw1/
   469547/756542/www.cefgreenville.com/web/content/wp-content/plugins/simple-membership/
   classes/class.simple-wp-membership.php on line 426`
 * Also, not sure if this is related or not…
 *     ```
       PHP Warning:  Cannot modify header information - headers already sent by (output started at /mnt/stor1-wc2-dfw1/469547/756542/www.cefgreenville.com/web/content/wp-content/plugins/member-access/lib/MemberAccess.php:1) in /mnt/stor1-wc2-dfw1/469547/756542/www.cefgreenville.com/web/content/wp-login.php on line 424
       PHP Warning:  Cannot modify header information - headers already sent by (output started at /mnt/stor1-wc2-dfw1/469547/756542/www.cefgreenville.com/web/content/wp-content/plugins/member-access/lib/MemberAccess.php:1) in /mnt/stor1-wc2-dfw1/469547/756542/www.cefgreenville.com/web/content/wp-login.php on line 437
       ```
   
 * Plugin doesn’t work at all. Was happening before I updated to new WP.
 * [https://wordpress.org/plugins/member-access/](https://wordpress.org/plugins/member-access/)

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

 * ![](https://s.w.org/plugins/geopattern-icon/member-access.svg)
 * [Member Access](https://wordpress.org/plugins/member-access/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/member-access/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/member-access/)
 * [Active Topics](https://wordpress.org/support/plugin/member-access/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/member-access/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/member-access/reviews/)

## Tags

 * [modify header information](https://wordpress.org/support/topic-tag/modify-header-information/)
 * [PHP Warning](https://wordpress.org/support/topic-tag/php-warning/)

 * 0 replies
 * 1 participant
 * Last reply from: [xyztina](https://wordpress.org/support/users/xyztina/)
 * Last activity: [11 years, 2 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-8/)
 * Status: not resolved