wpsnoop Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes()

If you are dealing with a WordPress issue where a PHP Function cmb_initialize_cmb_meta_boxes() 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 17 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 17 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_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/wp-coda-slider/lib/meta-boxes.php:272)

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_initialize_cmb_meta_boxes() (previously declared in wp-content/themes/nabia/includes/metaboxes/metaboxes.php:214)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/sanchari-testimonial/sanchari-testimonial.php:177)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/suscriptflech/admin/includes/custom-metaboxes/metabox.php:66)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/wp-map-markers/lib/metaboxes.php:86)

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_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/omfg-mobile/includes/metaboxclass/example-functions.php:669)

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_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/pixtypes/features/metaboxes/metaboxes.php:64)

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_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/gmap-point-list/gmap-point-list.php:72)

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_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/twigify/lib/meta-boxes.php:109)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/addon-so-widgets-bundle/cmb-functions.php:63)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/cactus-companion/inc/pageMetabox/options.php:123)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/landing-page-rockstar/includes/metaboxes.php:403)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/maxi-bg/maxibg.php:128)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/ketchup-coupons/includes/coupon-functions.php:48)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/ta-post-format/meta-box/post-functions.php:207)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/themes/anaglyph-lite/includes/admin/libs/execute-libs.php:5)

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

PHP Fatal error: Cannot redeclare cmb_initialize_cmb_meta_boxes() (previously declared in wp-content/plugins/advanced-event-calendar/inc/options/metaboxes.php:102)

This file is part of the WordPress plugin Advanced Event Calendar 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.