You have no other option, but put your credentials there.
#wont work
coarse sundial
To try start another GFN session. It shouldn't be happening.
Also, which login method do you use? Facebook, Google, Xbox, etc?
Some users are reporting login issues when using the PlayStation account method.
I suggest you to contact NVCC directly and ask them for some assistance:
Ticket:
https://nvidia.custhelp.com/app/ask
Live chat:
https://nvidia.custhelp.com/app/chat/chat_launch/
PS: In case, after you log in, it shows a permission error, just press CTRL+Shift+R if you're using any Chromium browser (Chrome, Edge, etc) and then try again.
Exactly the same issue, as I said above. Your best bet is to contact NVCC, as I also suggested above.
As we are not official support, there's nothing we can do here.
coarse sundial
Try to clean your browser cache, or InPrivate/InCognito tab.