Your current token has probably reached error counter 10 after 10 unsuccessful login attempts.
In the login window at the bottom, click on „Send token“.
You will then see a message from the SSO portal:
Have a quick look in your e-mails to check whether a token has really been created and then start the login again:
The next time you try to log in, a OneTimePassword will be sent to you by e-mail. Use this token for the login: