Hello @karim_ayoubi,
My name is Henry and I am happy to assist with your inquiry, and appreciate you contacting LastPass Support!
I am sorry about the issues you are having with your account. Most of the times this message means that your browser does not have a recovery one time password stored on its cache. Please be sure to try it from all browsers where you previously logged in. If you need further assistance, please submit a support case using the "Request help logging in" link found on this article.
Thank you,
Henry | Customer Care
