wpsnoop Fatal error: Cannot redeclare scb_list_group_by()

If you are dealing with a WordPress issue where a PHP Function scb_list_group_by() 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 24 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 24 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/quick-event-manager/legacy/qemnavi/scb/Util.php:245)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/scb-framework/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/employee-scheduler/libraries/wpp2p/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-syntaxhighlighter-theme/scb/Util.php:148)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/front-end-editor/lib/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/google-webfont-optimizer/scb/Util.php:148)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/rtbiz/vendor/scribu/scb-framework/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/chamber-dashboard-business-directory/wpp2p/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/directoryengines-counter/framework/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-opensearch-advance/scb/Util.php:148)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/posts-to-posts/vendor/scribu/scb-framework/Util.php:271)

This file is part of the WordPress plugin Posts 2 Posts and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-useronline/scb/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/badgeos/includes/p2p/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-smart-export/includes/framework/includes/wp-scb-framework/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-relevant-ads/includes/bc-framework/includes/wp-scb-framework/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/google-analytics-dashboard-extends/scb/Util.php:148)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/wp-pagenavi/scb/Util.php:271)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/open-badge-factory/includes/p2p/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/pay2post/lib/framework/scb/Util.php:148)

This file is part of the WordPress plugin AppThemes Pay2Post and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/go-fetch-jobs-jobengine/includes/framework/includes/wp-scb-framework/Util.php:280)

This file is part of the WordPress plugin Go Fetch Jobs (for JobEngine) and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/go-fetch-jobs-wp-job-manager/includes/framework/includes/wp-scb-framework/Util.php:271)

This file is part of the WordPress plugin WP Job Manager - Go Fetch Jobs and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/bj-lazy-load/inc/scb/Util.php:146)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/mtr-qtan/scb/Util.php:148)

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

PHP Fatal error: Cannot redeclare scb_list_group_by() (previously declared in wp-content/plugins/postmatic/vendor/scribu/scb-framework/Util.php:271)

This file is part of the WordPress plugin Replyable - Subscribe to Comments & Reply by email 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.