We have had to change the login procedure due to a vulnerability on our platform. Currently this means that only 1 method can be used to sign up. If you are known to us with your email address and password this is the only method you can currently use to log in. Single Sign On (SSO) will no longer work in this case. If you do try that, you will get a message that you have to log in with email and password.
If you only used SSO to log in, you can still use this.
We are working on a solution for all users so that both systems can be used side by side again.
Sorry for the inconvenience.