openmediavault-backup: fdisk command not found

Using OMV v6.0.9-5 with openmediavault-backup v6.0.2 (upgraded from OMV5 to OMV6 this week).

openmediavault-backup settings:

• Method = dd
• Keep = 60

Clicking the "Backup" button results in a "500 - Internal Server Error" with the following details:

Method: dd
Device file: /dev/sda1
Root drive: /dev/sda
/usr/sbin/omv-backup: line84: fdisk: command not found

That is this line in the code.

I can confirm 'fdisk' does not exist on my system and that the backups did work with OMV5.

Is there a problem with my system? Should 'fdisk' still be present?

Is this a bug with openmediavault-backup?

Success: thank you!