Unfortunately I can't find any more information on this than what logfiles has already published or what is shown in the link from your edit.
According to information I found main Federation Frontend is down and not working, but there are several alternatives that work fine.
I don't know if this is just a temporary issue, but this is actually a proof that RoboSats is really decentralized p2p and it can work even when things like this happen.
Just be careful and watch out for scammers, they could try to use this situation to trick people with phishing scams.