RocketFish It is likely that you entered incorrect credentials i.e. secret key. You need to generate a One Time Password (OTP)
You can retrieve the username (1) and password (2) from the Docker container. For the secret key, go to https://totp.danhersam.com/, paste your secret key, and retrieve your One-Time Password (OTP). Input the OTP (3) on the login page.
You can also retrieve the OTP by setting it up in the authenticator app.
Read more in this article. Do let me know if you are still unable to set up.