Title: PHP warning
Last modified: September 10, 2019

---

# PHP warning

 *  Resolved [miguelgaton](https://wordpress.org/support/users/miguelgaton/)
 * (@miguelgaton)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/php-warning-209/)
 * Hello,
 * We are having hundreds of PHP warnings in logs.
 * Is it possible to fix this issue? It’s causing some overload on the server (more
   than 50 sites installed).
 * Here the PHP warning:
 * [10-Sep-2019 11:12:23] WARNING: [pool cibercactus] child 635 said into stderr:“
   NOTICE: PHP message: PHP Warning: sessionstart(): open(/var/lib/php/sessions/
   sess63elq1i7cm76gb0bn60tcpkbi5, ORDWR) failed: No such file or directory (2) 
   in /cibercactus.com/website/wp-content/plugins/vcaching/vcaching.php on line 
   109”
    [10-Sep-2019 11:12:23] WARNING: [pool cibercactus] child 635 said into 
   stderr: “NOTICE: PHP message: PHP Warning: Unknown: open(/php/sessions/sess63elq1i7cm76gb0bn60tcpkbi5,
   O_RDWR) failed: No such file or directory (2) in Unknown on line 0”
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warning-209%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [Razvan Stanga](https://wordpress.org/support/users/razvanstanga/)
 * (@razvanstanga)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/php-warning-209/#post-11947183)
 * Allow php-fpm to write to /var/lib/php/sessions/ and /php/sessions/

Viewing 1 replies (of 1 total)

The topic ‘PHP warning’ is closed to new replies.

 * ![](https://ps.w.org/vcaching/assets/icon-256x256.png?rev=1293998)
 * [Varnish/Nginx Proxy Caching](https://wordpress.org/plugins/vcaching/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/vcaching/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/vcaching/)
 * [Active Topics](https://wordpress.org/support/plugin/vcaching/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/vcaching/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/vcaching/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Razvan Stanga](https://wordpress.org/support/users/razvanstanga/)
 * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/php-warning-209/#post-11947183)
 * Status: resolved