Title: Fatal Error
Last modified: September 20, 2022

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# Fatal Error

 *  Resolved [brownriceandbraggs](https://wordpress.org/support/users/brownriceandbraggs/)
 * (@brownriceandbraggs)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-4249/)
 * When activating the plugin-in, I get the following response in the fatal error
   logs:
 *     ```
       2022-09-19T23:19:15+00:00 CRITICAL Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor_prefixed/wpdesk/wp-persistence/src/PersistentContainer.php:13
       Stack trace:
       #0 /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor/composer/ClassLoader.php(444): include()
       #1 /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/home/dh_2jrckh...')
       #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('UpsProVendor\\WP...')
       #3 /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor_prefixed/wpdesk/wp-persistence/src/Adapter/WooCommerce/WooCommerceSessionContainer.php(11): spl_autoload_call('UpsProVendor\\WP...')
       #4 /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor/composer/ClassLoader.php(444): include('/home/dh_2jrckh...')
       #5 /home/dh_2jrckh/whiteind.com/wp-content/plugins/f in /home/dh_2jrckh/whiteind.com/wp-content/plugins/flexible-shipping-ups-pro/vendor_prefixed/wpdesk/wp-persistence/src/PersistentContainer.php on line 13
       ```
   
 * It was running until a routine update to woocommerce and wordpress. Any insight
   would be helpful. Thank you

Viewing 1 replies (of 1 total)

 *  Plugin Support [Piotrek Bodera](https://wordpress.org/support/users/nerdontour/)
 * (@nerdontour)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-4249/#post-16026343)
 * Hi [@brownriceandbraggs](https://wordpress.org/support/users/brownriceandbraggs/),
 * Thanks for reaching out. We recently noticed that bug in relation to WooCommerce
   6.9 and released a fix.
 * Please update our plugin to the newest version for **PRO users 1.15.1** and confirm
   if the issues persists.
 * Please also mind that this forum is aimed for users of our free version. If you’d
   like to ask us additional questions about your PRO plugin – reach us out at [https://octolize.com/support/](https://octolize.com/support/)
 * Kind regards,
    Piotrek

Viewing 1 replies (of 1 total)

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

 * ![](https://ps.w.org/flexible-shipping-ups/assets/icon.svg?rev=2738069)
 * [Shipping Live Rates and Access Points for UPS for WooCommerce](https://wordpress.org/plugins/flexible-shipping-ups/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/flexible-shipping-ups/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/flexible-shipping-ups/)
 * [Active Topics](https://wordpress.org/support/plugin/flexible-shipping-ups/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/flexible-shipping-ups/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/flexible-shipping-ups/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Piotrek Bodera](https://wordpress.org/support/users/nerdontour/)
 * Last activity: [3 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-4249/#post-16026343)
 * Status: resolved