Title: WP Optimize crashed second website
Last modified: June 4, 2022

---

# WP Optimize crashed second website

 *  Resolved [Stanislav Pankov](https://wordpress.org/support/users/stanislavpankov/)
 * (@stanislavpankov)
 * [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/)
 * Fatal error: Uncaught Error: Class ‘WPO_Page_Cache’ not found in /var/www/u0702547/
   data/www/maharaja.ru/wp-content/plugins/wp-optimize/cache/file-based-page-cache-
   functions.php:813 Stack trace: #0 /var/www/u0702547/data/www/maharaja.ru/wp-content/
   plugins/wp-optimize/cache/file-based-page-cache-functions.php(889): wpo_get_conditional_tags_exceptions()#
   1 /var/www/u0702547/data/www/maharaja.ru/wp-content/plugins/wp-optimize/cache/
   file-based-page-cache.php(31): wpo_url_in_conditional_tags_exceptions() #2 /var/
   www/u0702547/data/www/maharaja.ru/wp-content/advanced-cache.php(58): include_once(‘/
   var/www/u07025…’) #3 /var/www/u0702547/data/www/maharaja.ru/wp-settings.php(95):
   include(‘/var/www/u07025…’) #4 /var/www/u0702547/data/www/maharaja.ru/wp-config.
   php(78): require_once(‘/var/www/u07025…’) #5 /var/www/u0702547/data/www/maharaja.
   ru/wp-load.php(50): require_once(‘/var/www/u07025…’) #6 /var/www/u0702547/data/
   www/maharaja.ru/wp-blog-header.php(13): require_once(‘/var/www/u07025…’) #7 /
   var/www/u0702547/data/www/maharaj in /var/www/u0702547/data/www/maharaja.ru/wp-
   content/plugins/wp-optimize/cache/file-based-page-cache-functions.php on line
   813

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Thread Starter [Stanislav Pankov](https://wordpress.org/support/users/stanislavpankov/)
 * (@stanislavpankov)
 * [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/#post-15708736)
 * I can’t even login to the admin panel of WordPress. What to do?
 *  [Russ](https://wordpress.org/support/users/gfxdesigner/)
 * (@gfxdesigner)
 * [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/#post-15708741)
 * Same thing happened to me. You can rename the WP-Optimize plugin folder so that
   it’s disabled and that should get you back online until they release an updated
   version,
 *  [Omtesla](https://wordpress.org/support/users/itesla/)
 * (@itesla)
 * [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/#post-15709037)
 * I have similar issue, the latest update breaks the website.
    The only solution
   is to disable or remove the plugin.
 *  [Harshad](https://wordpress.org/support/users/bornforphp/)
 * (@bornforphp)
 * [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/#post-15711054)
 * [@itesla](https://wordpress.org/support/users/itesla/) [@gfxdesigner](https://wordpress.org/support/users/gfxdesigner/)
   [@stanislavpankov](https://wordpress.org/support/users/stanislavpankov/) We are
   soon going to release a new version, until then please rollback the version to
   previous working version 3.2.3.
 * Once the new version is released, we will update you soon.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘WP Optimize crashed second website’ is closed to new replies.

 * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899)
 * [WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance](https://wordpress.org/plugins/wp-optimize/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-optimize/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-optimize/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-optimize/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-optimize/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-optimize/reviews/)

 * 4 replies
 * 4 participants
 * Last reply from: [Harshad](https://wordpress.org/support/users/bornforphp/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/wp-optimize-crashed-second-website/#post-15711054)
 * Status: resolved