Read the current screen
Account status and attached terms take priority over an old message.
XX7 / SIGN IN
XX7 Sign-In Desk
Make one careful sign-in attempt at a time.
Confirm the registered channel, use only the newest recovery code and stay on one trusted network. If the error repeats, record its exact wording before asking support. Nobody helping with access should need your password or OTP.
Keep a safe record
Use the page, IST time and reference; remove passwords, OTPs and PINs.
Change one thing
A measured sequence makes the outcome easier to understand.