UrBackup Server 2.1.6 beta

urbackup@urbackup-3:~$ ls -l /usr/bin/urbackup*
-rwxr-xr-x 1 root root  954552 déc.   8 21:02 /usr/bin/urbackup_mount_helper
-rwsr-sr-x 1 root root  958616 déc.   8 21:02 /usr/bin/urbackup_snapshot_helper
-rwxr-xr-x 1 root root 7206736 déc.   8 21:02 /usr/bin/urbackupsrv
urbackup@urbackup-3:~$
root@urbackup-3:~# chmod 6755 /usr/bin/urbackup_mount_helper
root@urbackup-3:~# su -c "urbackup_mount_helper test" urbackup
MOUNT TEST OK
root@urbackup-3:~#

Now i have the “Mount image” button appearing :

But file list is empty after click on “mount image” :