Title: fatal error message
Last modified: August 19, 2016

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# fatal error message

 *  Resolved [doctorbru](https://wordpress.org/support/users/doctorbru/)
 * (@doctorbru)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-message-25/)
 * getting this message while I was adding plugin Now what to do ?
 * Fatal error: Call to undefined function is_site_admin() in /home/software/public_html/
   articles/wp-content/plugins/wordpress-related-posts/related-posts.php on line
   81

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [esmi](https://wordpress.org/support/users/esmi/)
 * (@esmi)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-message-25/#post-1902448)
 * [FTP](http://codex.wordpress.org/FTP_Clients) into your site (or use whatever
   file management application your host provides) and delete the wp-content/plugins/
   wordpress-related-posts folder.
 *  Thread Starter [doctorbru](https://wordpress.org/support/users/doctorbru/)
 * (@doctorbru)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-message-25/#post-1902468)
 * Thanks was easy and worked like a charm . Enjoy the day and thank you again for
   such an easy and quick response .
 *  [esmi](https://wordpress.org/support/users/esmi/)
 * (@esmi)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-message-25/#post-1902470)
 * No problem 🙂

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘fatal error message’ is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [esmi](https://wordpress.org/support/users/esmi/)
 * Last activity: [15 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-message-25/#post-1902470)
 * Status: resolved

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