Title: Fatal Error: Call to undefined function
Last modified: August 20, 2016

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# Fatal Error: Call to undefined function

 *  [donwnelson](https://wordpress.org/support/users/donwnelson/)
 * (@donwnelson)
 * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-45/)
 * Hi,
    On one of my sites businessingermany.net we now find an error message on
   all pages and below this message there is no more text. Can anyone help me correct
   this?
 * Fatal error: Call to undefined function get_current_user_id() in /home/business/
   public_html/wp-admin/images/screenshots/.cache on line 1
 * Thanks,

The topic ‘Fatal Error: Call to undefined function’ is closed to new replies.

## Tags

 * [Call to undefined function:](https://wordpress.org/support/topic-tag/call-to-undefined-function/)
 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 0 replies
 * 1 participant
 * Last reply from: [donwnelson](https://wordpress.org/support/users/donwnelson/)
 * Last activity: [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-45/)
 * Status: not resolved

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