Backup-data does not delete old backup

[mrmarkuz (Markus Neuberger)]

@PCXLan.es

There are backup set(s) at time(s):
Sun Apr  3 01:00:47 2022
Which can't be deleted because newer sets depend on them.

Duplicity can’t delete the last full backup because the newer incremental backups depend on it.
It will be deleted when the Saturday incremental backup is 7 days old.

You could set backup retention to 1 day so it should remove the last full backup.

To remove old backups, you may also use command line:

List of backup file at a specified time

In addition : Show list of collected backups: duplicity collection-status file:///mnt/bakup_folder_path/ Remove old backup: duplicity remove-older-than 1M --force file:///mnt/bakup_folder_path/