Title: Help, Fatal error
Last modified: August 19, 2016

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# Help, Fatal error

 *  Resolved [philcurl](https://wordpress.org/support/users/philcurl/)
 * (@philcurl)
 * [15 years, 9 months ago](https://wordpress.org/support/topic/help-fatal-error-6/)
 * I installed a plugin & now receive this error when I login to my admin.
 * Fatal error: Call to undefined function is_site_admin() in /home/pbc321/public_html/
   wp-content/plugins/wordpress-related-posts/related-posts.php on line 81
 * I am unable to access WP now, can anyone help please?
 * Phil

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [Samuel B](https://wordpress.org/support/users/samboll/)
 * (@samboll)
 * [15 years, 9 months ago](https://wordpress.org/support/topic/help-fatal-error-6/#post-1614425)
 * ftp to site or use host’s file manager to rename the `/wordpress-related-posts`
   folder
    this will deactivate it and let you log in rename it back to test
 *  Thread Starter [philcurl](https://wordpress.org/support/users/philcurl/)
 * (@philcurl)
 * [15 years, 9 months ago](https://wordpress.org/support/topic/help-fatal-error-6/#post-1614433)
 * Excellent, Im in, thanks very much Sam

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Help, Fatal error’ is closed to new replies.

 * 2 replies
 * 2 participants
 * Last reply from: [philcurl](https://wordpress.org/support/users/philcurl/)
 * Last activity: [15 years, 9 months ago](https://wordpress.org/support/topic/help-fatal-error-6/#post-1614433)
 * Status: resolved

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