Cannot log in to the HiFi rose

Since the new update, I can no longer log in to my HiFi rose 150. It also no longer sees my email. with recovery password unknown user.

@Knarf1967

If you cannot log in to your Rose account, please send your Rose account to the email address below.
eunseong96@citech.kr

We will send you a temporary password or verification email.
If you cannot find the password for an account, it is because you did not verify your email address when signing up for the account.