Title: Error
Last modified: January 28, 2024

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# Error

 *  [alexliii](https://wordpress.org/support/users/alexliii/)
 * (@alexliii)
 * [2 years, 4 months ago](https://wordpress.org/support/topic/error-1852/)
 * Hello,
 * If access any product at frontend, there will be error on server like this:
 * **2024/01/28 03:13:19 [error] 7118#7118: \*4693 FastCGI sent in stderr: “PHP 
   message: PHP Warning:  Undefined variable $saved_tab_has_woosb_bundled in /var/
   www/mysite.com/htdocs/wp-content/plugins/wpc-product-tabs-premium/wpc-product-
   tabs.php on line 697PHP message: PHP Warning:  Undefined variable $saved_tab_has_woosb_bundles
   in /var/www/mysite.com/htdocs/wp-content/plugins/wpc-product-tabs-premium/wpc-
   product-tabs.php on line 701” while reading response header from upstream, client:
   24.199.120.100, server: mysite.com, request: “GET /shop/handbags-and-shoulder-
   bags/women-rainbow-funky-square-chain-cross-body-shoulder-bag/ HTTP/2.0”, upstream:“
   fastcgi://unix:/var/run/php/php81-fpm.sock:”, host: “mysite.com”, referrer: “
   [https://mysite.com/shop/&#8221](https://mysite.com/shop/&#8221);**
 * Is it compatible with php81?
 * Thanks

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

 *  [digrand](https://wordpress.org/support/users/digrand/)
 * (@digrand)
 * [2 years, 4 months ago](https://wordpress.org/support/topic/error-1852/#post-17379174)
 * I have a similar error
 * **Warning**: Undefined variable $saved_tab_has_woosb_bundled in ** /wp-content/
   plugins/wpc-product-tabs-premium/wpc-product-tabs.php** on line **697**
 * **Warning**: Undefined variable $saved_tab_has_woosb_bundles in **p/wp-content/
   plugins/wpc-product-tabs-premium/wpc-product-tabs.php** on line **701**
 *  Plugin Support [Janilyn T](https://wordpress.org/support/users/janilyn409/)
 * (@janilyn409)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/error-1852/#post-17477850)
 * Hi [alexliii](https://wordpress.org/support/users/alexliii/) & [digrand](https://wordpress.org/support/users/digrand/),
 * Thanks for reaching out to us here.
 * Since you are using the Premium version of our plugin, please contact our [Support Forum](https://wpc.ticksy.com/)
   for further helps from our developers. Please create a Private ticket since we
   might request your admin credentials to check the backend dashboard.
 * Best regards.

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

The topic ‘Error’ is closed to new replies.

 * ![](https://ps.w.org/wpc-product-tabs/assets/icon-128x128.png?rev=2084165)
 * [WPC Product Tabs for WooCommerce](https://wordpress.org/plugins/wpc-product-tabs/)
 * [Support Threads](https://wordpress.org/support/plugin/wpc-product-tabs/)
 * [Active Topics](https://wordpress.org/support/plugin/wpc-product-tabs/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wpc-product-tabs/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wpc-product-tabs/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [Janilyn T](https://wordpress.org/support/users/janilyn409/)
 * Last activity: [2 years, 3 months ago](https://wordpress.org/support/topic/error-1852/#post-17477850)
 * Status: not resolved