Title: PHP Error
Last modified: May 29, 2022

---

# PHP Error

 *  Resolved [epiron](https://wordpress.org/support/users/epiron/)
 * (@epiron)
 * [4 years ago](https://wordpress.org/support/topic/php-error-527/)
 * Hi,
 * My site gets the following error sometimes:
 *     ```
       PHP Fatal error:  Uncaught Error: Object of class WP_Error could not be converted to string in E:\app\site\wp-includes\kses.php:1729
       Stack trace:
       #0 E:\app\site.com\wp-includes\kses.php(1729): preg_replace()
       #1 E:\app\site.com\wp-includes\kses.php(1698): wp_kses_no_null()
       #2 E:\app\site.com\wp-includes\class-wp-http.php(268): wp_kses_bad_protocol()
       #3 E:\app\site.com\wp-includes\class-wp-http.php(632): WP_Http->request()
       #4 E:\app\site.com\wp-includes\http.php(162): WP_Http->get()
       #5 E:\app\site.com\wp-content\plugins\wp-fastest-cache\wpFastestCache.php(1618): wp_remote_get()
       #6 E:\app\site.com\wp-content\plugins\wp-fastest-cache\inc\preload.php(480): WpFastestCache->wpfc_remote_get()
       #7 E:\app\site.com\wp-content\plugins\wp-fastest-cache\wpFastestCache.php(1613): PreloadWPFC::create_preload_cache()
       #8 E:\app\site.com\wp-includes\class-wp-hook.php(307): WpFastestCache->create_preload_cache()
       #9 E:\app\site.com\wp-includes\class-wp-hook.php(331): WP_Hook->apply_filters()
       #10 E:\ap in E:\app\site.com\wp-includes\kses.php on line 1729
       ```
   
    -  This topic was modified 4 years ago by [epiron](https://wordpress.org/support/users/epiron/).

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Emre Vona](https://wordpress.org/support/users/emrevona/)
 * (@emrevona)
 * [4 years ago](https://wordpress.org/support/topic/php-error-527/#post-15689416)
 * do you get the error too often?
 *  Thread Starter [epiron](https://wordpress.org/support/users/epiron/)
 * (@epiron)
 * [4 years ago](https://wordpress.org/support/topic/php-error-527/#post-15689433)
 * It seems to happen every 5 minutes.
 *  Plugin Author [Emre Vona](https://wordpress.org/support/users/emrevona/)
 * (@emrevona)
 * [4 years ago](https://wordpress.org/support/topic/php-error-527/#post-15689438)
 * can you contact me via email please: [https://www.wpfastestcache.com/contact-us/](https://www.wpfastestcache.com/contact-us/)

Viewing 3 replies - 1 through 3 (of 3 total)

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

 * ![](https://ps.w.org/wp-fastest-cache/assets/icon-256x256.png?rev=2064586)
 * [WP Fastest Cache - WordPress Cache Plugin](https://wordpress.org/plugins/wp-fastest-cache/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-fastest-cache/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-fastest-cache/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-fastest-cache/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-fastest-cache/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-fastest-cache/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [Emre Vona](https://wordpress.org/support/users/emrevona/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/php-error-527/#post-15689438)
 * Status: resolved