V-change-user-password dont work

I can’t access the Panel: I enter Admin and Password but they don’t work. I logged in as root with SSH and gave the command: v-change-user-password admin newpassword and then rebooted but the same problem occurs.
If I try to install HestiaCP again on the existing one, do I lose my data?
Is there a different way to regain access?

Check log files

/var/log/hestia/auth.log

2022-04-29 15:36:26 admin 37.100.33.104 failed to login
2022-04-29 17:26:26 pippo 37.100.33.104 successfully logged in

I login as user but not as admin and cannot change password to admin

Try a password composed only of numbers and letters.

Done but it doesn’t work. Thanks anyway for your reply. I install from scratch and copy the data