wpsnoop Fatal error: Cannot redeclare cmb_editor_footer_scripts()

If you are dealing with a WordPress issue where a PHP Function cmb_editor_footer_scripts() was already declared it is most likely due to a plugin/theme conflict.

wpsnoop scanned and analyzed over 100,000 WordPress plugins and themes to find and locate potential conflicts including functions that share the same name.

This page has information on the 19 places where that function is declared and used in WordPress plugins and themes.

Note: Our database currently only taps into the free themes and plugins available in the publicly available WordPress plugins and themes, if your site uses paid plugins, themes or custom code there may be additional conflicts.


Our database has uncovered 19 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/wp-coda-slider/lib/init.php:532)

This file is part of the WordPress plugin WP Coda Slider and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/event-manager-theme-functionality/lib/metabox/init.php:510)

This file is part of the WordPress plugin Event Manager Theme Functionality and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/call-to-action-reminders-by-astrid/metaboxes/init.php:504)

This file is part of the WordPress plugin Call-To-Action Reminders by Astrid and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/image-override/lib/metabox/init.php:551)

This file is part of the WordPress plugin Image Override and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/immobilcio-agenzie-immobiliari/init.php:524)

This file is part of the WordPress plugin ImmobilCIO - Agenzia Immobiliare and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/wp-restaurant-menu/extends/meta-box.php:628)

This file is part of the WordPress plugin WP Restaurant Menu and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/old-post-notification/lib/metabox/init.php:495)

This file is part of the WordPress plugin Old Post Notification and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/lb-colorbox/include/metaboxes/init.php:502)

This file is part of the WordPress plugin LB ColorBox and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/wp-map-markers/lib/metabox/init.php:530)

This file is part of the WordPress plugin WP Map markers and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/proposals/meta-boxes/init.php:530)

This file is part of the WordPress plugin Proposals and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/omfg-mobile/includes/metaboxclass/init.php:879)

This file is part of the WordPress plugin OMFG Mobile Pro and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/pixtypes/features/metaboxes/init.php:1116)

This file is part of the WordPress plugin PixTypes and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/simple-bookings/init.php:551)

This file is part of the WordPress plugin Simple Bookings and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/gmap-point-list/init.php:551)

This file is part of the WordPress plugin gMap Point List and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/content-planner/classes/cmb/init.php:504)

This file is part of the WordPress plugin Content Planner and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/interstrategy-business-listings/lib/metabox/init.php:411)

This file is part of the WordPress plugin Interstrategy Business Listings and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/interstrategy-events-manager/lib/metabox/init.php:411)

This file is part of the WordPress plugin Interstrategy Events Manager and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/user-language-switch/init.php:551)

This file is part of the WordPress plugin User Language Switch and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare cmb_editor_footer_scripts() (previously declared in wp-content/plugins/ml-adverts/includes/metabox/init.php:504)

This file is part of the WordPress plugin ML Adverts and could be interacting with another theme or plugin and causing a fatal error.

The error occurs because two (or more) plugins that you are using are both trying to declare a function with the same name.