Title: clear_caches causing WSOD
Last modified: August 30, 2016

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# clear_caches causing WSOD

 *  [Shawn Hooper](https://wordpress.org/support/users/shooper/)
 * (@shooper)
 * [10 years, 8 months ago](https://wordpress.org/support/topic/clear_caches-causing-wsod/)
 * I’m running WP 4.3 on PHP5-FPM, Nginx + Varnish.
 * Adding a new post, or saving an existing post in admin results in the WSOD. I’ve
   narrowed it down to the following hook:
 * `add_action( 'save_post', array($this, 'clear_caches') );`
 * Enabling WP_DEBUG doesn’t give me any additional details.
 * Any idea what to look for?
 * [https://wordpress.org/plugins/simple-fields/](https://wordpress.org/plugins/simple-fields/)

The topic ‘clear_caches causing WSOD’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [Shawn Hooper](https://wordpress.org/support/users/shooper/)
 * Last activity: [10 years, 8 months ago](https://wordpress.org/support/topic/clear_caches-causing-wsod/)
 * Status: not resolved