I'm able to access the server with ssh:

➜  ~ ssh -p23 xxx@xxx.your-storagebox.de
** WARNING: connection is not using a post-quantum key exchange algorithm.
** This session may be vulnerable to "store now, decrypt later" attacks.
** The server may need to be upgraded. See https://openssh.com/pq.html
xxx@xxx.your-storagebox.de's password:
Last login: Sun May 10 17:01:43 2026 from 2f02:8428:64d:8101:9108:cfc9:6531:db55
+------------------------------------------------------------------+
| Welcome to your Storage Box.                                     |
|                                                                  |
| Please note that this is only a restricted shell environment and |
| therefore some shell features like pipes and redirects are not   |
| supported.                                                       |
+------------------------------------------------------------------+
xxx /home >

However I have to enter a password. I don't see where in cloudron "Add volume" page I should add this password.
Is it what is blocking ?