Title: Pluginextend Problem
Last modified: November 19, 2019

---

# Pluginextend Problem

 *  Resolved [pihedy](https://wordpress.org/support/users/pihedy/)
 * (@pihedy)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/pluginextend-problem/)
 * I received this error message the other day. This happened at the checkout.
 *     ```
       {
           "class": "Error",
           "message": "Cannot access private const WC_Plugin_Updates::VERSION_TESTED_HEADER",
           "code": 0,
           "file": "/www/xxx/public/wp-content/plugins/woocommerce/includes/wc-core-functions.php:2031",
           "trace": [
               "/www/xxx/public/wp-includes/class-wp-hook.php:286",
               "/www/xxx/public/wp-includes/plugin.php:208",
               "/www/xxx/public/wp-includes/functions.php:5589",
               "/www/xxx/public/wp-admin/includes/plugin.php:84",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/includes/pluginextend.helper.php:588",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/includes/pluginextend.helper.php:380",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/includes/pluginextend.helper.php:330",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/includes/pluginextend.helper.php:286",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/ti-woocommerce-wishlist-premium.php:277",
               "/www/xxx/public/wp-content/plugins/ti-woocommerce-wishlist-premium/ti-woocommerce-wishlist-premium.php:302",
               "/www/xxx/public/wp-includes/class-wp-hook.php:286",
               "/www/xxx/public/wp-includes/class-wp-hook.php:310",
               "/www/xxx/public/wp-includes/plugin.php:465",
               "/www/xxx/public/wp-settings.php:394",
               "/www/xxx/public/wp-config.php:51",
               "/www/xxx/public/wp-load.php:37",
               "/www/xxx/public/wp-blog-header.php:13",
               "/www/xxx/public/index.php:17"
           ]
       }
       ```
   

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [templateinvaders](https://wordpress.org/support/users/templateinvaders/)
 * (@templateinvaders)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/pluginextend-problem/#post-12209195)
 * Hi [@pihedy](https://wordpress.org/support/users/pihedy/)
 * We can’t reproduce the same error.
 * Could you contact us via chat with all details?
 * We need to test your issue to find a solution.
 * Thanks!
 *  Plugin Author [templateinvaders](https://wordpress.org/support/users/templateinvaders/)
 * (@templateinvaders)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/pluginextend-problem/#post-12229408)
 * We are now closing this topic and mark it as resolved due to inactivity. If you
   have further questions please, fill free to re-open it at any time.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Pluginextend Problem’ is closed to new replies.

 * ![](https://ps.w.org/ti-woocommerce-wishlist/assets/icon-256x256.gif?rev=2469447)
 * [TI WooCommerce Wishlist](https://wordpress.org/plugins/ti-woocommerce-wishlist/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/ti-woocommerce-wishlist/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/ti-woocommerce-wishlist/)
 * [Active Topics](https://wordpress.org/support/plugin/ti-woocommerce-wishlist/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/ti-woocommerce-wishlist/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/ti-woocommerce-wishlist/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [templateinvaders](https://wordpress.org/support/users/templateinvaders/)
 * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/pluginextend-problem/#post-12229408)
 * Status: resolved