BackWPup s3 bucket does not exist after selecting it

This error is not very clear since BackWPup let’s you select your desired bucket from the list. If the bucket is already selected, how can it not exist? Anyways, I fixed this by switching the region from US-West-Oregon to US-Standard.

[INFO] BackWPup 3.3.6; A project of Inpsyde GmbH
[INFO] WordPress 4.7.2 on http://example.com/
[INFO] Log Level: Normal 
[INFO] BackWPup job: Weekly Backup
[INFO] Logfile is: backwpup_log_411491_2017-03-01_03-57-39.html
[INFO] Backup file is: backwpup_411491_2017-03-01_03-57-39.tar.bz2
[01-Mar-2017 03:57:39] 1. Try to backup database …
[01-Mar-2017 03:57:39] Connected to database example on localhost
[01-Mar-2017 03:57:39] Added database dump "example.sql.gz" with 290.23 KB to backup file list
[01-Mar-2017 03:57:39] Database backup done!
[01-Mar-2017 03:57:39] 1. Trying to make a list of folders to back up …
[01-Mar-2017 03:57:40] Added "wp-config.php" to backup file list
[01-Mar-2017 03:57:40] 1555 folders to backup.
[01-Mar-2017 03:57:40] 1. Trying to generate a file with installed plugin names …
[01-Mar-2017 03:57:40] Added plugin list file "Example.pluginlist.2017-03-01.txt.bz2" with 1.09 KB to backup file list.
[01-Mar-2017 03:57:40] 1. Trying to generate a manifest file …
[01-Mar-2017 03:57:40] Added manifest.json file with 5.99 KB to backup file list.
[01-Mar-2017 03:57:40] 1. Trying to create backup archive …
[01-Mar-2017 03:57:40] Compressing files as TarBz2. Please be patient, this may take a moment.
[01-Mar-2017 03:58:25] Backup archive created.
[01-Mar-2017 03:58:25] Archive size is 75.79 MB.
[01-Mar-2017 03:58:25] 10163 Files with 159.58 MB in Archive.
[01-Mar-2017 03:58:26] 1. Trying to send backup file to S3 Service …
[01-Mar-2017 03:58:26] ERROR: S3 Bucket "example-backup" does not exist!
[01-Mar-2017 03:58:26] ERROR: Job has ended with errors in 47 seconds. You must resolve the errors for correct execution.