- Plesk Onyx 17.8 for Linux
Full server Plesk backup to Amazon S3 fails with the following error shown in Tools & Settings > Backup Manager:
PLESK_ERROR: The backup Jan 1, 1970 01:21 PM was not created.
When clicking View the log, the more detailed error is shown:
Runtime error: Unable to upload the backup to the external storage: Transport error: Extension transport: ext://s3-backup/server/: The specified upload does not exist. The upload ID may be invalid, or the upload may have been aborted or completed.
The bug EXTPLESK-563 in the Amazon S3 Backup extension. It was fixed in the version 1.3.0-57 of the extension which was released on 21 January 2019.