wpsnoop Fatal error: Cannot redeclare wp_notify_postauthor()

If you are dealing with a WordPress issue where a PHP Function wp_notify_postauthor() 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 19 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 19 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/sendwithus/inc/single_site_overrides.php:8)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/filter-email-notifications/filter-email-notifications.php:52)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/intensedebate/intensedebate.php:54)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/private-comment-notification-email/privatecomments.php:21)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/private-email-notifications/private-notifications.php:106)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/defensio-anti-spam/defensio_pluggable.php:8)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/publishpress-authors/publishpress-authors.php:78)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/custom-comment-notifications/custom-comment-notifications.php:479)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/manage-notification-emails/modules/pluggable/pluggable-functions-1.5.php:105)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/expire-password/pluggable.php:1046)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/clean-notifications/clean-notifications.php:32)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/notifly/notifly.php:681)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/notiflyer/notiflyer.php:63)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/one-click-comments/one-click-comments.php:24)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/co-authors-plus/co-authors-plus.php:1813)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/notify-me/notify-me.php:14)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/custom-pingback-email/custom_pingback_email.php:178)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/sunshine-photo-cart/sunshine-functions.php:1204)

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

PHP Fatal error: Cannot redeclare wp_notify_postauthor() (previously declared in wp-content/plugins/enhanced-emails/pluggable.php:327)

This file is part of the WordPress plugin Enhanced Emails 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.