wpsnoop Fatal error: Cannot redeclare plugin_admin_add_page()

If you are dealing with a WordPress issue where a PHP Function plugin_admin_add_page() 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 27 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 27 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/proliphiq-badge/proliphiqBadge.php:723)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/mylinks2/options.php:11)

This file is part of the WordPress plugin MyLinks2 and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/sensei-video-protection/sensei-security.php:67)

This file is part of the WordPress plugin Sensei-video-protection free and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/revenue-share-plugin-for-authorsrsp/rShareAuthors.php:22)

This file is part of the WordPress plugin Revenue Share for Authors(RSP) and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/slyder-lightweight-wordpress-slider/slYder.php:138)

This file is part of the WordPress plugin slYder - Lightweight Wordpress Slider (Wordpress Content Slider) and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/pleasant-viewer/pleasant-viewer.php:361)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/g-power-plus/gpowerplus.php:28)

This file is part of the WordPress plugin G Power Plus List Building Plugin and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/flickr-comments/flickr-comments.php:62)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/doms-search/includes/options.php:6)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/content-by-location/admin-menu.php:4)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/atompub/atompub-admin.php:7)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/quick-preview/quick-preview.php:98)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/sopa-censored-intro-page/sopa-censored-intro-page.php:139)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/apollo-site-tools/wp_ga_main.php:480)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/jax-contact-form/jaxcon-main.php:41)

This file is part of the WordPress plugin Jax Contact Form With ReCaptcha and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/twentythree-video-manager/23video_fetcher.php:37)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/cart-ninja-wordpress-shopping-cart/CartNinja.php:349)

This file is part of the WordPress plugin CartNinja - A Wordpress Shopping Cart Plugin and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/skedmaker-online-scheduling/wp-skedmaker.php:33)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/professional-share/professional-share.php:108)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/my-loginlogout/login_logout.php:247)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/sticky-note/sticky-note-admin.php:3)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/contact-form-with-captcha/cfwc-main.php:33)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/bootstrap-mce-elements/index.php:64)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/purlem-personal-url-marketing/purlem.php:142)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/league-of-legends-shortcodes/lol-shortcodes.php:244)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/pennycloak/pennycloak.php:33)

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

PHP Fatal error: Cannot redeclare plugin_admin_add_page() (previously declared in wp-content/plugins/mouseover-share-buttons-by-newsgrape/options.php:18)

This file is part of the WordPress plugin Mouseover Share-Buttons by Newsgrape 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.