Make sure that you're using the latest version of The Inner Circle, that you're connected to the internet, that your Facebook account is still active and that your username and password are correct. Log out of Facebook through the application and from your web browser, which must allow cookies, then try to log in again.
If the problem persists, please try again later. It's usually temporary. Otherwise, to ensure that your request is handled quickly and correctly, please send us an contact us giving a clear description and, if available, a screenshot of the problem.
Finally - you can also reset your password and login manually:
1) Reset your password here: www.theinnercircle.co/auth/password
2) Lookup the reset password email in your inbox (sent from email@example.com)
3) Follow the instructions and reset your password
4) In the app, below the Facebook button you can click to manually login with your email and new password.