Title: HTTP ERROR 500
Last modified: December 27, 2021

---

# HTTP ERROR 500

 *  Resolved [pappubracelet](https://wordpress.org/support/users/pappubracelet/)
 * (@pappubracelet)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/http-error-500-210/)
 * Plugins and theme disabled. The main wordpress files have been renewed. Reworked.
   htaccess. The result is still the same.
 * Thank you..
 * [Mon Dec 27 18:09:23.475992 2021] [proxy_fcgi:error] [pid 28705:tid 139685674112768][
   client 212.253.194.103:0] AH01071: Got error ‘PHP message: PHP Fatal error: Uncaught
   Error: Call to undefined function wp() in /home/pappubra/domains/pappubracelet.
   com/public_html/wp-blog-header.php:16\nStack trace:\n#0 /home/pappubra/domains/
   pappubracelet.com/public_html/index.php(17): require()\n#1 {main}\n thrown in/
   home/pappubra/domains/pappubracelet.com/public_html/wp-blog-header.php on line
   16’
    -  This topic was modified 4 years, 5 months ago by [pappubracelet](https://wordpress.org/support/users/pappubracelet/).
    -  This topic was modified 4 years, 5 months ago by [pappubracelet](https://wordpress.org/support/users/pappubracelet/).
    -  This topic was modified 4 years, 5 months ago by [pappubracelet](https://wordpress.org/support/users/pappubracelet/).

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

 *  Moderator [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * (@sterndata)
 * Volunteer Forum Moderator
 * [4 years, 5 months ago](https://wordpress.org/support/topic/http-error-500-210/#post-15199096)
 * This sure seems to me like a file might be missing. It should be in WP’s file“
   wp-includes/functions.php”. Is that file there, readable by PHP (check ownership
   and permission) and has it been edited? If it has been edited, replace it with
   one from a fresh WP download.
 *  Thread Starter [pappubracelet](https://wordpress.org/support/users/pappubracelet/)
 * (@pappubracelet)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/http-error-500-210/#post-15199145)
 * Thank you very much Steve. I solved the problem. Backups save lives 🙂
 *  Moderator [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * (@sterndata)
 * Volunteer Forum Moderator
 * [4 years, 5 months ago](https://wordpress.org/support/topic/http-error-500-210/#post-15199154)
 * Most definitely. Backup early. Backup often.

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

The topic ‘HTTP ERROR 500’ is closed to new replies.

## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)
 * [HTTP error 500](https://wordpress.org/support/topic-tag/http-error-500/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * Last activity: [4 years, 5 months ago](https://wordpress.org/support/topic/http-error-500-210/#post-15199154)
 * Status: resolved

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