wpsnoop Fatal error: Cannot redeclare acf_get_child_field_from_parent_field()

If you are dealing with a WordPress issue where a PHP Function acf_get_child_field_from_parent_field() 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 20 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 20 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/simply-documents/lib/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/wk-flickr-gallery/wp-content/plugins/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/logicaldoc/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/codeblocks/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/fancy-grid-portfolio/lib/advanced-custom-fields/core/api.php:687)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/direct-publisher-for-roku/vendor/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/quick-recommend/lib/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/asd-feature-maps/includes/advanced-custom-fields/core/api.php:743)

This file is part of the WordPress plugin Alex's Feature Maps and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/wpbizplugins-marketers-toolbox/assets/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/dooodl/includes/libs/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/gigatools-integration/includes/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/church-options/lib/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/music-press/includes/library/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/music-press-pro/includes/library/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/flaunt-your-clients-free/includes/advanced-custom-fields/core/api.php:734)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/qnotsquiz/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/simple-mobile-content-adder/lib/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/simple-content-adder/lib/advanced-custom-fields/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/wp-feature-box/includes/acf/core/api.php:743)

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

PHP Fatal error: Cannot redeclare acf_get_child_field_from_parent_field() (previously declared in wp-content/plugins/tsa-commerce/vendors/acf/core/api.php:743)

This file is part of the WordPress plugin TSA Commerce 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.