Title: Installer error
Last modified: June 4, 2024

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# Installer error

 *  Resolved [abscond](https://wordpress.org/support/users/abscond/)
 * (@abscond)
 * [2 years ago](https://wordpress.org/support/topic/installer-error-3/)
 * Hi,
 * ” **Deprecated**: Creation of dynamic property DUPX_Bootstrap::$extractionTmpFolder
   is deprecated in **/srv/http/faute/installer.php** on line **99** “
 * (php 8.3.7, linux manjaro)
 * What to do?

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

 *  Plugin Support [mohammedeisa](https://wordpress.org/support/users/mohammedeisa/)
 * (@mohammedeisa)
 * [2 years ago](https://wordpress.org/support/topic/installer-error-3/#post-17802263)
 * Hi [@abscond](https://wordpress.org/support/users/abscond/) ,
 * I understand that you got the following error when you tried to restore a backup:
 * ” **Deprecated**: Creation of dynamic property DUPX_Bootstrap::$extractionTmpFolder
   is deprecated in **/srv/http/faute/installer.php** on line **99** “
 * This shows that you are trying to restore a backup that’s created using an old
   PHP version on a server that runs a newer one.
 * Please downgrade the PHP version on the server where you are trying to restore
   the backup and try to restore the backup again.
 * I many causes, PHP 7.4 resolves this error, you can start with this version.
 * I hope this helps.
 *  Plugin Support [mohammedeisa](https://wordpress.org/support/users/mohammedeisa/)
 * (@mohammedeisa)
 * [1 year, 12 months ago](https://wordpress.org/support/topic/installer-error-3/#post-17815457)
 * Hi [@abscond](https://wordpress.org/support/users/abscond/) ,
 * I’m closing this support topic for inactivity. Please don’t hesitate to contact
   us in a [Support Topic](https://wordpress.org/support/plugin/duplicator/) if 
   you need any help with Duplicator.
 * Thanks! 

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

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

 * ![](https://ps.w.org/duplicator/assets/icon-256x256.png?rev=2906985)
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 * 2 replies
 * 2 participants
 * Last reply from: [mohammedeisa](https://wordpress.org/support/users/mohammedeisa/)
 * Last activity: [1 year, 12 months ago](https://wordpress.org/support/topic/installer-error-3/#post-17815457)
 * Status: resolved