wpsnoop Fatal error: Cannot redeclare myplugin_activate()

If you are dealing with a WordPress issue where a PHP Function myplugin_activate() 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 16 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 16 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/best-favicon/wp-favicon.php:15)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/seo-xml-sitemap/index.php:46)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/jquery-slider-for-featured-content/jquery-slider-for-featured-content.php:185)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/loan-calculator/index.php:27)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/facebook-tabs-editor/fapplication.php:22)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/simple-support-ticket-system/simple-support-ticket-system.php:38)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/rs-survey/survey.php:10)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/wp-auto-dealer/wp-car-dealer.php:18)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/category-post-slider/category-post-slider.php:20)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/sqid-payments-gateway-for-woocommerce/woocommerce-sqid-payments.php:17)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/fsm-backend-category-organizer/fsm-backend-category-organizer.php:807)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/link2post/link2post.php:51)

This file is part of the WordPress plugin Link2Post and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/alfie-the-productfeedtool-wp-plugin/alfie-feed.php:15)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/alfieliate-datafeed-installer/alfie-feed.php:53)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/print-money/index.php:19)

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

PHP Fatal error: Cannot redeclare myplugin_activate() (previously declared in wp-content/plugins/sc-simple-zazzle/src/uninstall.php:3)

This file is part of the WordPress plugin SC Simple Zazzle 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.