Title: [Plugin: WordPress Related Posts Plugin] WordPress Related Posts crashed the admin
Last modified: August 19, 2016

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# [Plugin: WordPress Related Posts Plugin] WordPress Related Posts crashed the admin

 *  [david01](https://wordpress.org/support/users/david01/)
 * (@david01)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-wordpress-related-posts-plugin-wordpress-related-posts-crashed-the-admin/)
 * Locked up the admin panel as soon as it was activated.
    Any admin page displayed:
 * Fatal error: Call to undefined function is_site_admin() in /home/my-site/public_html/
   my-site/wp-content/plugins/wordpress-related-posts/related-posts.php on line 
   81
 * I deleted the plugin via cPanel.

The topic ‘[Plugin: WordPress Related Posts Plugin] WordPress Related Posts crashed
the admin’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/wordpress-related-posts.svg)
 * [Wordpress Related Posts Plugin](https://wordpress.org/plugins/wordpress-related-posts/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wordpress-related-posts/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wordpress-related-posts/)
 * [Active Topics](https://wordpress.org/support/plugin/wordpress-related-posts/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wordpress-related-posts/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wordpress-related-posts/reviews/)

## Tags

 * [crashed](https://wordpress.org/support/topic-tag/crashed/)

 * 0 replies
 * 1 participant
 * Last reply from: [david01](https://wordpress.org/support/users/david01/)
 * Last activity: [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-wordpress-related-posts-plugin-wordpress-related-posts-crashed-the-admin/)
 * Status: not resolved