New server + restore KO

Hi
I set up a new Ubuntu 22.04 server
Everything went well thanks to the contact/calendar manual fix
When I want to restore my MIAB data, I got this error:

root@srv:/opt# export PASSPHRASE=$(cat secret_key.txt)
root@srv:/opt# sudo -E duplicity restore --force file:///opt/encrypted /opt/xxx/
Restore '/opt/xxx' is not empty or is current_dir.
Will not overwrite.

Do you know how to resolve it please?
Thanks

FYI

root@srv:~# duplicity --version
duplicity 3.2.0.2 August 22, 2026