It would certainly make sense that whatever was corrupted in your base would also be corrupt in everyone else's because it seems as I understand it. It happened to all of us at around the same time...
I am experiencing same exact problem... you'd think they could just reload a copy of our bases from just before this started...I'm sure they must backup regularly. This is unacceptable...I've spent countless hours and a good amount of money to get to this point and now I've been locked out for...