A.
'Please carry out one of the following:
(1) If you have changed your smartphone model or disabled the screen lock function, this error will be displayed. Please set up your identity confirmation again.
(2) If you are logging in with a different device from the one you first set up identity verification for, the error message will be displayed. Please log in again with the terminal where you first set up your identity verification settings, or set up "Authentication by e-mail" or "Authentication by application" if you are using multiple terminals.
For more information, see section "3. Using a Different Smartphone Model" in the Expo ID Problem Shooting Manual below.