All my logins and passwords are disappeared

Hello,
i have a big problem , yesterday i reset my laptop and i install firefox again when i wanted connect on my firefox account but i forgot my password , no problem i click on “forget my password” and i creat a new password and when i connect ( with the new password ) the account is empty all my logins and passwords disappeared and when i check my app ios it’s same the app Lockwise is empty ,
could you please help me ?
thanks in advance.
Mehdi