Title: Fatal error
Last modified: July 14, 2025

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# Fatal error

 *  Resolved [Tom2708](https://wordpress.org/support/users/tom2708/)
 * (@tom2708)
 * [9 months, 3 weeks ago](https://wordpress.org/support/topic/fatal-error-4889/)
 * Hello, I have received a message about a fatal error caused by BackwpUp although
   the website is working fine. So, please check from your side. Many thanks!
   Fehler-
   Details
 * Ein Fehler vom Typ E_ERROR wurde in der Zeile 112 der Datei ..//wp-content/plugins/
   backwpup/inc/class-migrate.php verursacht. Fehlermeldung: Uncaught Error: Undefined
   constant WPMedia\BackWPup\Plugin\Plugin::FILES_JOB_ID in ..//wp-content/plugins/
   backwpup/inc/class-migrate.php:112
   Stack trace: 0 ..//wp-content/plugins/backwpup/
   inc/class-migrate.php(17): BackWPup_Migrate::should_migrate() 1 ..//wp-content/
   plugins/backwpup/inc/class-install.php(31): BackWPup_Migrate::migrate() 2 ..//
   wp-content/plugins/backwpup/src/Plugin/Plugin.php(132): BackWPup_Install::activate()
   3 ..//wp-includes/class-wp-hook.php(324): WPMedia\BackWPup\Plugin\Plugin->init()
   4 ..//wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() 5 ..//wp-includes/
   plugin.php(517): WP_Hook->do_action() 6 ..//wp-settings.php(578): do_action()
   7 ..//wp-config.php(95): require_once(‘…’) 8 ..//wp-load.php(50): require_once(‘…’)
   9 ..//wp-admin/admin.php(35): require_once(‘…’) 10 ..//wp-admin/network/admin.
   php(13): require_once(‘…’) 11 ..//wp-admin/network/about.php(11): require_once(‘…’)
   12 {main}
 * thrown
 * WordPress-Version 6.8.1
   Aktives Theme: Enfold (Version 7.1.1)Aktuelles Plugin:
   BackWPup (Version 5.3.0) PHP-Version 8.2.5
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffatal-error-4889%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Plugin Support [Saransh](https://wordpress.org/support/users/saranshwpm/)
 * (@saranshwpm)
 * [9 months, 3 weeks ago](https://wordpress.org/support/topic/fatal-error-4889/#post-18556104)
 * Hi,
 * Thank you for getting in touch.
 * Could you please confirm from which version you updated BackWPup? Was it 5.2.3
   or an earlier one? That will help us check if this relates to a version upgrade.
 * Also, apart from this error message, have you noticed any issue while running
   backups or with any other part of the plugin?
 * Let me know so I can look into it further.
 *  Thread Starter [Tom2708](https://wordpress.org/support/users/tom2708/)
 * (@tom2708)
 * [9 months, 3 weeks ago](https://wordpress.org/support/topic/fatal-error-4889/#post-18556181)
 * Hi,
   there are automatic updates activated. So, am not sure, but I suppose it 
   was the version before 5.2.3. I did not detect any other issues.
 *  Plugin Support [Saransh](https://wordpress.org/support/users/saranshwpm/)
 * (@saranshwpm)
 * [9 months, 3 weeks ago](https://wordpress.org/support/topic/fatal-error-4889/#post-18559873)
 * Hi Tom,
 * Thank you for confirming and sharing the details. I am glad to know that apart
   from the error message, you have not faced any actual issues with backups or 
   the plugin’s functionality.
 * I also want to let you know that we are checking different similar reports from
   other users and have already started reviewing this on our side. We will make
   sure to take the right measures to avoid this in future updates.
 * Appreciate your cooperation and patience. Feel free to reach out anytime if you
   notice anything else.

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

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

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 * 4 replies
 * 2 participants
 * Last reply from: [Saransh](https://wordpress.org/support/users/saranshwpm/)
 * Last activity: [9 months, 3 weeks ago](https://wordpress.org/support/topic/fatal-error-4889/#post-18559873)
 * Status: resolved