Your Fivetran login is now managed by SAML and you now cannot log into any of your warehouses. How do you log in?
You need to log in via your SAML provider.
In your account authentication config, there is a setting called 'Required authentication type':
If this is set to 'SAML', you can access your Fivetran account with your username and password but you will be blocked from accessing your warehouses.