Title: Plugin Causing Critical Error Last modified: June 18, 2023 --- # Plugin Causing Critical Error * Resolved [Corey Kretsinger](https://wordpress.org/support/users/corey-kretsinger/) * (@corey-kretsinger) * [2 years, 11 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/) * ```wp-block-code ---- thrown in /home/[REDACTED]/public_html/wp-content/plugins/rearrange-woocommerce-products/rearrange-woocommerce-products.php on line 340 [18-Jun-2023 18:43:02 UTC] PHP Fatal error: Uncaught Error: Call to undefined function is_product_category() in /home/[REDACTED]/public_html/wp-content/plugins/rearrange-woocommerce-products/rearrange-woocommerce-products.php:340 Stack trace: 0 /home/[REDACTED]/public_html/wp-includes/class-wp-hook.php(308): ReWooProducts->sort_products_by_category(Object(WP_Query)) 1 /home/[REDACTED]/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) 2 /home/[REDACTED]/public_html/wp-includes/plugin.php(565): WP_Hook->do_action(Array) 3 /home/[REDACTED]/public_html/wp-includes/class-wp-query.php(1870): do_action_ref_array('pre_get_posts', Array) 4 /home/[REDACTED]/public_html/wp-includes/class-wp-query.php(3787): WP_Query->get_posts() 5 /home/[REDACTED]/public_html/wp-includes/post.php(2417): WP_Query->query(Array) 6 /home/[REDACTED]/public_html/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/PostTypeRegister.php(78): get_posts(Array) 7 /home/[REDACTED]/public_html/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/PostTypeRegister.php(67): MBCPT\PostTypeRegister->get_post_types() 8 /home/[REDACTED]/public_html/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/Register.php(6): MBCPT\PostTypeRegister->register() 9 /home/[REDACTED]/public_html/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/mb-custom-post-type.php(35): MBCPT\Register->__construct() 10 /home/[REDACTED]/public_html/wp-includes/class-wp-hook.php(308): mb_cpt_load('') 11 /home/[REDACTED]/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) 12 /home/[REDACTED]/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) 13 /home/[REDACTED]/public_html/wp-settings.php(623): do_action('init') 14 /home/[REDACTED]/public_html/wp-config.php(106): require_once('/home/[REDACTED]/…') 15 /home/[REDACTED]/public_html/wp-load.php(50): require_once('/home/[REDACTED]/…') 16 /home/[REDACTED]/public_html/wp-blog-header.php(13): require_once('/home/[REDACTED]/…') 17 /home/[REDACTED]/public_html/index.php(17): require('/home/[REDACTED]/…') 18 {main} thrown in /home/[REDACTED]/public_html/wp-content/plugins/rearrange-woocommerce-products/rearrange-woocommerce-products.php on line 340 --- ``` * **This is the error message I received. Deactivating this plugin brought the website back online. It had been working fine until now.** Additional info: This showed up after rolling back WooCommerce due to an Elementor minicart problem. * Thank you for any help you can offer. - This topic was modified 2 years, 11 months ago by [Corey Kretsinger](https://wordpress.org/support/users/corey-kretsinger/). Viewing 4 replies - 1 through 4 (of 4 total) * [mbjo](https://wordpress.org/support/users/mbjo/) * (@mbjo) * [2 years, 10 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/#post-16880898) * Yeap am getting the same fatal error PHP Fatal error: Uncaught Error: Call to undefined function is_product_category() * Plugin Author [Aslam Doctor](https://wordpress.org/support/users/aslamdoctor/) * (@aslamdoctor) * [2 years, 10 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/#post-16923207) * [@corey-kretsinger](https://wordpress.org/support/users/corey-kretsinger/) [@mbjo](https://wordpress.org/support/users/mbjo/) I have published the fixes with new updates. Please update the plugin and let me know if you are still facing any issues. * Plugin Author [Aslam Doctor](https://wordpress.org/support/users/aslamdoctor/) * (@aslamdoctor) * [2 years, 9 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/#post-16943311) * Did the update fix the issue for you? * Thread Starter [Corey Kretsinger](https://wordpress.org/support/users/corey-kretsinger/) * (@corey-kretsinger) * [2 years, 9 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/#post-16945112) * Sorry, I thought I had marked this as resolved. Yes. It worked, thank you, Aslam. Viewing 4 replies - 1 through 4 (of 4 total) The topic ‘Plugin Causing Critical Error’ is closed to new replies. * ![](https://ps.w.org/rearrange-woocommerce-products/assets/icon-256x256.png?rev =3421674) * [Rearrange Products for WooCommerce](https://wordpress.org/plugins/rearrange-woocommerce-products/) * [Frequently Asked Questions](https://wordpress.org/plugins/rearrange-woocommerce-products/#faq) * [Support Threads](https://wordpress.org/support/plugin/rearrange-woocommerce-products/) * [Active Topics](https://wordpress.org/support/plugin/rearrange-woocommerce-products/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/rearrange-woocommerce-products/unresolved/) * [Reviews](https://wordpress.org/support/plugin/rearrange-woocommerce-products/reviews/) * 4 replies * 3 participants * Last reply from: [Corey Kretsinger](https://wordpress.org/support/users/corey-kretsinger/) * Last activity: [2 years, 9 months ago](https://wordpress.org/support/topic/plugin-causing-critical-error-5/#post-16945112) * Status: resolved