I don't know why you weren't able to log in, but a feed going offline does not prevent you from logging in and updating the status field. I have Premium Status from being a feed provider. My feeds are offline right at this moment, and I was able to update the status. Just to be sure, I logged out, logged back in, and changed the wording of the status. It wouldn't make sense to take away the ability for a feed administrator to update the status when a feed is offline, since a feed being offline is where the status field comes in handy to give an explanation, expected time of restoration, etc. You may lose your premium status to keep you from downloading data from RadioReference, but updating feed status should still be allowed.