Title: PHP Session Errors “Cannot start session when headers already sent”
Last modified: January 15, 2020

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# PHP Session Errors “Cannot start session when headers already sent”

 *  [prodograw](https://wordpress.org/support/users/prodograw/)
 * (@prodograw)
 * [6 years, 4 months ago](https://wordpress.org/support/topic/php-session-errors-cannot-start-session-when-headers-already-sent/)
 * will you be fixing session errors?
 * `session_start(): Cannot start session when headers already sent in user_blocker_common_functions.
   php`

Viewing 1 replies (of 1 total)

 *  [Daniele Muscetta](https://wordpress.org/support/users/dani3l3/)
 * (@dani3l3)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/php-session-errors-cannot-start-session-when-headers-already-sent/#post-12399101)
 * I am seeing the exact same thing. It seems an approach is suggested here – [https://wordpress.org/support/topic/php-warnings-cannot-start-session-when-headers-already-sent/](https://wordpress.org/support/topic/php-warnings-cannot-start-session-when-headers-already-sent/)–
   but not sure if it can apply to this plugin as well.
 * I get this error EVERY FIVE MINUTES (at each wp-cron.php execution which gets
   triggered with curl by system’s cron)…

Viewing 1 replies (of 1 total)

The topic ‘PHP Session Errors “Cannot start session when headers already sent”’ 
is closed to new replies.

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 * [User Blocker](https://wordpress.org/plugins/user-blocker/)
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 * 1 reply
 * 2 participants
 * Last reply from: [Daniele Muscetta](https://wordpress.org/support/users/dani3l3/)
 * Last activity: [6 years, 3 months ago](https://wordpress.org/support/topic/php-session-errors-cannot-start-session-when-headers-already-sent/#post-12399101)
 * Status: not resolved