Title: Composite Products error
Last modified: January 9, 2021

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# Composite Products error

 *  [ajax21](https://wordpress.org/support/users/ajax21/)
 * (@ajax21)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/composite-products-error/)
 * Recently I have been having a strange error with my site. Whenever I click the
   select button to choose a component, this error pops up in the console:
 *     ```
       Uncaught TypeError: _.pluck is not a function
           at d.WC_CP_Scenarios_Manager.get_strictly_matching_scenarios (add-to-cart-composite.min.js?ver=7.1.2:formatted:4366)
           at d.WC_CP_Scenarios_Manager.calculate_active_scenarios (add-to-cart-composite.min.js?ver=7.1.2:formatted:4303)
           at d.WC_CP_Scenarios_Manager.update_active_scenarios (add-to-cart-composite.min.js?ver=7.1.2:formatted:4210)
           at d.WC_CP_Scenarios_Manager.selection_changed_handler (add-to-cart-composite.min.js?ver=7.1.2:formatted:4192)
           at Object.do_action (add-to-cart-composite.min.js?ver=7.1.2:formatted:3929)
           at d.WC_CP_Actions_Dispatcher.do_action (add-to-cart-composite.min.js?ver=7.1.2:formatted:4053)
           at i.<anonymous> (add-to-cart-composite.min.js?ver=7.1.2:formatted:3940)
           at p (backbone.min.js?ver=1.4.0:2)
           at f (backbone.min.js?ver=1.4.0:2)
           at l (backbone.min.js?ver=1.4.0:2)
       ```
   
 * I am completely stumped as to why this happens. I have deactivated all my plugins
   and still the problem persists. The interesting thing is, when I clear my browser
   cache, refresh the page, and click the select button, it works… once. After I
   refresh or visit the page again, the problem resumes
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fcomposite-products-error%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘Composite Products error’ is closed to new replies.

 * ![](https://ps.w.org/wpc-composite-products/assets/icon-128x128.png?rev=2527543)
 * [WPC Composite Products for WooCommerce](https://wordpress.org/plugins/wpc-composite-products/)
 * [Support Threads](https://wordpress.org/support/plugin/wpc-composite-products/)
 * [Active Topics](https://wordpress.org/support/plugin/wpc-composite-products/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wpc-composite-products/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wpc-composite-products/reviews/)

## Tags

 * [pluck](https://wordpress.org/support/topic-tag/pluck/)
 * [uncaught](https://wordpress.org/support/topic-tag/uncaught/)

 * 0 replies
 * 1 participant
 * Last reply from: [ajax21](https://wordpress.org/support/users/ajax21/)
 * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/composite-products-error/)
 * Status: not resolved