@Renato_Alves Welcome to the forum!
Did you check if you chose the right server region (US/.com or EU/.eu)? Those two are not interchangeable.
(when you click on bitwarden.com, you can change to .eu or self-hosted)
If that doesn’t solve it - here is a whole list of things you could try: [Guide] "I can't login" - Some tips for login problems/issues