Title: Error WPMS
Last modified: August 22, 2016

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# Error WPMS

 *  Resolved [Victor Noyes](https://wordpress.org/support/users/fla0/)
 * (@fla0)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/error-wpms/)
 * Getting the following error on a multi-site install.
 * Fatal error: Call to undefined method WP_Customize_Manager::add_panel() in /home/
   content/24/11699524/html/wp-content/plugins/menu-customizer/menu-customizer.php
   on line 76
 * [https://wordpress.org/plugins/menu-customizer/](https://wordpress.org/plugins/menu-customizer/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Nick Halsey](https://wordpress.org/support/users/celloexpressions/)
 * (@celloexpressions)
 * [11 years, 7 months ago](https://wordpress.org/support/topic/error-wpms/#post-5253431)
 * WordPress 4.0 is required – that function was added in 4.0.

Viewing 1 replies (of 1 total)

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

 * ![](https://s.w.org/plugins/geopattern-icon/menu-customizer.svg)
 * [Menu Customizer](https://wordpress.org/plugins/menu-customizer/)
 * [Support Threads](https://wordpress.org/support/plugin/menu-customizer/)
 * [Active Topics](https://wordpress.org/support/plugin/menu-customizer/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/menu-customizer/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/menu-customizer/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Nick Halsey](https://wordpress.org/support/users/celloexpressions/)
 * Last activity: [11 years, 7 months ago](https://wordpress.org/support/topic/error-wpms/#post-5253431)
 * Status: resolved