2FA: Two-Factor Authentication
The Two-factor Authentication is required to strengthen the security of Ihr account, und the 2FA for Ihr control panel login is working with a one-time token delivered by the Google Authenticator APP for Android und iPhone smartphones.
#1 Please enable 2FA through "Mein Konto > Kontozusammenfassung > Two-Factor Authentication" then refer to the following screenshot:

Or #2 Please disable 2FA through "Mein Konto > Kontozusammenfassung > Two-Factor Authentication" then refer to the following screenshot:
