Hello @ @User1724867259526701144
Welcome to the LastPass Community. We apologize in advance for the issues you have been experiencing. To resolve this issue please, log out of the LastPass app, remove the LastPass app, restart your device, add the LastPass app, log in and as soon as you do you will be asked to set up the biometrics again.
Please let us know if there is something else, we can do for you.
Greetings!
Heyner | Customer Care