Title: Error when testing S3 upload
Last modified: January 11, 2023

---

# Error when testing S3 upload

 *  Resolved [kunzi](https://wordpress.org/support/users/kunzi/)
 * (@kunzi)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-when-testing-s3-upload/)
 * This is the error I get when testing Amazon S3 onnection.
 * Backups have worked many years, but suddenly connection is broken. Credentials
   are the same and saved in settings.
 * PHP Fatal error (Error) has occurred during test_storage_settings subaction. 
   Error Message: Class ‘Aws\Credentials\Credentials’ not found (Code: 0, line 128
   in /public_html/wp-content/plugins/updraftplus/includes/S3compat.php)

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

 *  Plugin Support [vupdraft](https://wordpress.org/support/users/vupdraft/)
 * (@vupdraft)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-when-testing-s3-upload/#post-16364092)
 * In the settings tab, can you delete your s3 settings and then reset up your S3
   again. If this doesn’t work can you try going to the Advanced tools tab and wiping
   your settings and then set up your S3 again?
 *  Plugin Author [David Anderson / Team Updraft](https://wordpress.org/support/users/davidanderson/)
 * (@davidanderson)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-when-testing-s3-upload/#post-16364206)
 * Do you have something in your `wp-config.php` file that forces UpdraftPlus to
   use a particular Amazon S3 toolkit? The error above implies that you do.

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

The topic ‘Error when testing S3 upload’ is closed to new replies.

 * ![](https://ps.w.org/updraftplus/assets/icon-256x256.jpg?rev=1686200)
 * [UpdraftPlus: WP Backup & Migration Plugin](https://wordpress.org/plugins/updraftplus/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/updraftplus/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/updraftplus/)
 * [Active Topics](https://wordpress.org/support/plugin/updraftplus/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/updraftplus/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/updraftplus/reviews/)

## Tags

 * [amazon](https://wordpress.org/support/topic-tag/amazon/)
 * [aws](https://wordpress.org/support/topic-tag/aws/)
 * [s3](https://wordpress.org/support/topic-tag/s3/)

 * 2 replies
 * 3 participants
 * Last reply from: [David Anderson / Team Updraft](https://wordpress.org/support/users/davidanderson/)
 * Last activity: [3 years, 4 months ago](https://wordpress.org/support/topic/error-when-testing-s3-upload/#post-16364206)
 * Status: resolved