Title: Fatal error: Uncaught Error Last modified: September 23, 2021 --- # Fatal error: Uncaught Error * Resolved [anncosch](https://wordpress.org/support/users/anncosch/) * (@anncosch) * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/) * Hi, * Since couple of weeks I randomly get this critical error: * Fatal error: Uncaught Error: Class ‘WC_Order’ not found in /home/customer/www/ anncos.ch/public_html/wp-content/plugins/woocommerce/packages/woocommerce-admin/ src/Overrides/Order.php:18 Stack trace: #0 /home/customer/www/anncos.ch/public_html/ wp-content/plugins/jetpack/vendor/jetpack-autoloader/class-php-autoloader.php( 87): require() #1 [internal function]: Automattic\Jetpack\Autoloader\jpf11009ded9fc4592b6a05b61ce272b3c_jetpackⓥ10_1\ PHP_Autoloader::load_class(‘Automattic\\WooC…’) #2 [internal function]: spl_autoload_call(‘ Automattic\\WooC…’) #3 /home/customer/www/anncos.ch/public_html/wp-includes/functions. php(624): unserialize(‘a:73:{i:1631554…’) #4 /home/customer/www/anncos.ch/public_html/ wp-includes/option.php(225): maybe_unserialize(‘a:73:{i:1631554…’) #5 /home/customer/ www/anncos.ch/public_html/wp-includes/cron.php(1163): get_option(‘cron’) #6 / home/customer/www/anncos.ch/public_html/wp-includes/cron.php(757): _get_cron_array()# 7 /home/customer/www/anncos.ch/public_html/wp-includes/cron.php(809): wp_get_sc in /home/customer/www/anncos.ch/public_html/wp-content/plugins/woocommerce/packages/ woocommerce-admin/src/Overrides/Order.php on line 18 * It happens when I try switching on plugins on my website and it looks like it is random. * Then I go to PHPmyAdmin, turn off all plugins, I clear the cache in SiteGround and then I try to switch on the plugins one by one. And then it happens again… * Please help. * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffatal-error-uncaught-error-63%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 6 replies - 1 through 6 (of 6 total) * [deathlynotes](https://wordpress.org/support/users/deathlynotes/) * (@deathlynotes) * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14903354) * Hey [@anncosch](https://wordpress.org/support/users/anncosch/) * Jetpack is unable to make an XML-RPC request to your website. * Please make sure that XML-RPC is turned on and that Jetpack is installed, activated, and connected with your WordPress.com account. * You can follow these instructions to reconnect your Jetpack: * 1. Go to the **Jetpack** menu in your WP-Admin dashboard 2. Scroll down to find the *Connections* area. 3. Click *Manage site connection*. 4. Click **Disconnect** and follow the prompts to complete the disconnection process. 5. Click **Set Up Jetpack** button to connect your site to WordPress.com again. * This handy guide explains the full process in more detail: * [https://jetpack.com/support/reconnecting-reinstalling-jetpack/#disconnecting- jetpack]([https://jetpack.com/support/reconnecting-reinstalling-jetpack/#disconnecting-jetpack](https://jetpack.com/support/reconnecting-reinstalling-jetpack/#disconnecting-jetpack)) * Let us know if you have any questions. * Thread Starter [anncosch](https://wordpress.org/support/users/anncosch/) * (@anncosch) * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14927445) * I uninstalled the plugin in my dashboard, deleted the Woocommerce app in my phone. Then I installed the plugin again, and when I turned it on in my WordPress site I got the error again. * [Mohamed Mehdi Benchalal](https://wordpress.org/support/users/muffinpeace/) * (@muffinpeace) * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14929134) * Hi [@anncosch](https://wordpress.org/support/users/anncosch/) * It seems that your WordPress.com account was disconnected from that site a week ago already; I’d be happy to know if that critical error was appearing on a blank page, or if you were able to connect your WordPress.com account through the Jetpack dashboard, as shown on our guide: * – [https://jetpack.com/support/getting-started-with-jetpack/](https://jetpack.com/support/getting-started-with-jetpack/) * If the issue persists, we’d be happy to take a closer look if given proper access, and I’d suggest [reaching out to us privately here for that](https://href.li/?https://jetpack.com/contact-support/?rel=support&hpi=1). * Best, * Thread Starter [anncosch](https://wordpress.org/support/users/anncosch/) * (@anncosch) * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14955693) * Listen, I can’t connect my WordPress account because as soon as I activate the JetPack plugin my site crashes! * [Bruce (a11n)](https://wordpress.org/support/users/bruceallen/) * (@bruceallen) * Happiness Engineer * [4 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14962147) * Hi [@anncosch](https://wordpress.org/support/users/anncosch/) * I’d recommend reaching out to us via the private link that [@muffinpeace](https://wordpress.org/support/users/muffinpeace/) had provided, then we can work more directly with you on this. * Anonymous User 18700194 * (@anonymized-18700194) * [4 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14990065) * Hi there, * It has been more than one week since we have heard from you, so I’m marking this topic as resolved. * But if you have any further questions or need some more help, you’re welcome to reply here or open another thread. Viewing 6 replies - 1 through 6 (of 6 total) The topic ‘Fatal error: Uncaught Error’ is closed to new replies. * ![](https://ps.w.org/jetpack/assets/icon.svg?rev=2819237) * [Jetpack - WP Security, Backup, Speed, & Growth](https://wordpress.org/plugins/jetpack/) * [Frequently Asked Questions](https://wordpress.org/plugins/jetpack/#faq) * [Support Threads](https://wordpress.org/support/plugin/jetpack/) * [Active Topics](https://wordpress.org/support/plugin/jetpack/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/jetpack/unresolved/) * [Reviews](https://wordpress.org/support/plugin/jetpack/reviews/) ## Tags * [critical error](https://wordpress.org/support/topic-tag/critical-error/) * 6 replies * 5 participants * Last reply from: Anonymous User 18700194 * Last activity: [4 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-63/#post-14990065) * Status: resolved