dietpi-backup log is empty

Current backup and restore location: /mnt/dd6b05a5-a3bb-429a-95a8-b2cf5189f7ff/dietpi-backup

so this: rsync: [client] failed to open log-file /mnt/dietpi-backup/dietpi-backup.log: No such file or directory (2)
make sense as the backup is not there!