Title: Cannot send session cookie – headers already sent
Last modified: August 30, 2016

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# Cannot send session cookie – headers already sent

 *  Resolved [mel2337](https://wordpress.org/support/users/mel2337/)
 * (@mel2337)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/cannot-send-session-cookie-headers-already-sent/)
 * I’m getting a PHP error related to class-custom-sidebars-explain.php on line 
   56 in my error logs, I’m not sure what this means or how to fix it. I wonder 
   if you can help, thanks
 * [https://wordpress.org/plugins/custom-sidebars/](https://wordpress.org/plugins/custom-sidebars/)

Viewing 1 replies (of 1 total)

 *  [Bojan Radonic – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support4/)
 * (@wpmudev-support4)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/cannot-send-session-cookie-headers-already-sent/#post-6595650)
 * Hey there mel2337,
 * How are you doing today?
 * Can you please try using default WordPress theme like Twenty Fifteen and deactivating
   all other plugins as displayed in the following flowchart to know which theme/
   plugin is conflicting if any.
 * [http://premium.wpmudev.org/wp-content/uploads/2013/12/Support-Process-Support-Process.png](http://premium.wpmudev.org/wp-content/uploads/2013/12/Support-Process-Support-Process.png)
 * Please let me know if you find anything 🙂
 * Cheers,
    Bojan

Viewing 1 replies (of 1 total)

The topic ‘Cannot send session cookie – headers already sent’ is closed to new replies.

 * ![](https://ps.w.org/custom-sidebars/assets/icon-256x256.png?rev=1414065)
 * [Custom Sidebars - Dynamic Sidebar Classic Widget Area Manager](https://wordpress.org/plugins/custom-sidebars/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/custom-sidebars/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/custom-sidebars/)
 * [Active Topics](https://wordpress.org/support/plugin/custom-sidebars/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/custom-sidebars/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/custom-sidebars/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Bojan Radonic – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support4/)
 * Last activity: [10 years, 8 months ago](https://wordpress.org/support/topic/cannot-send-session-cookie-headers-already-sent/#post-6595650)
 * Status: resolved