wpsnoop Fatal error: Cannot redeclare kirki_installer_register()

If you are dealing with a WordPress issue where a PHP Function kirki_installer_register() 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 51 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 51 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/cali/inc/kirki/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/couture/inc/couture-include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/custompress/inc/kirki/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/hoteli/inc/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/eleganto/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/kakina/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/jefferson/inc/include-kirki.php:60)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/bring-back/inc/kirki/include-kirki.php:78)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/real-estate-agent/inc/real-estate-agent-include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/bizpoint/inc/kirki/include-kirki.php:72)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/real-estate-lite/inc/real-estate-lite-include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/alpha-store/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/crater-free/inc/customizer/kirki/class-kirki-installer.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/phunk/inc/customizer/kirki/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/alpha-store/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/business-prime/inc/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/twinkle/inc/include-kirki.php:85)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/sidebar/inc/kirki-class/kirki-class-recommend.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/quidus/inc/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/buddyx/external/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/cartsy-lite/framework/kirki/class-kirki-installer-section.php:12)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/ushop/inc/kirki/include-kirki.php:78)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/2016-vcready/inc/include-kirki.php:76)

This file is part of the WordPress theme 20/16 VCReady and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/blogger-light/inc/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/maxstore/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/excellent-business/inc/kirki/include-kirki.php:78)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/leto/inc/kirki/include-kirki.php:76)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/corporate-landing-page/inc/kirki-class/kirki-class-recommend.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/redxunlite/inc/options/include-kirki.php:73)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/fortune/inc/include-kirki.php:89)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/giga-store/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/startright/inc/include-kirki.php:60)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/magnetism/inc/include-kirki.php:60)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/jalbee/inc/kirki/kirki-recommend-notice.php:15)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/preferred-magazine/inc/kirki/include-kirki.php:78)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/themes/first-mag/lib/include-kirki.php:71)

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

PHP Fatal error: Cannot redeclare kirki_installer_register() (previously declared in wp-content/plugins/custom-404/includes/kirki/kirki-installer.php:17)

This file is part of the WordPress plugin Custom 404 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.