image-backup-x86_64-Encrypted-Device-Output

# Attempting to back up encrypted Ubuntu 26.04 installation, doesn't work.

dan@dan-dell-i3-server:/mnt/RpiBackups$ sudo image-backup --initial /mnt/RpiBackups/UbuntuCloneBackup-Encrypted.img

Detecting system layout...
  Encrypted root detected:
    LUKS device : /dev/
    LUKS UUID   :
    Mapper name : └─dm_crypt-0
    LVM VG      : ubuntu-vg
    LVM LV      : ubuntu-lv

Cannot determine root disk device

dan@dan-dell-i3-server:/mnt/RpiBackups$ lsblk
NAME                        MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINTS
loop0                         7:0    0  13.1M  1 loop  /snap/canonical-livepatch/414
loop1                         7:1    0    74M  1 loop  /snap/core22/2955
loop2                         7:2    0  66.8M  1 loop  /snap/core24/1643
loop3                         7:3    0   1.5M  1 loop  /snap/hwctl/123
loop4                         7:4    0  50.1M  1 loop  /snap/snapd/27710
loop5                         7:5    0  50.3M  1 loop  /snap/snapd/27738
sda                           8:0    0 298.1G  0 disk  /mnt/RpiBackups
nvme0n1                     259:0    0 238.5G  0 disk
├─nvme0n1p1                 259:1    0     1G  0 part  /boot/efi
├─nvme0n1p2                 259:2    0     2G  0 part  /boot
└─nvme0n1p3                 259:3    0 235.4G  0 part
  └─dm_crypt-0              252:0    0 235.4G  0 crypt
    └─ubuntu--vg-ubuntu--lv 252:1    0   100G  0 lvm   /