Every time that I click on the Wallet page I get the error you see above...
I didn't see an error and the error message you refer to. But I wasn't able to load the activities in busy.org and steemd and steemworld a few hours ago. So I also guess there is some work in progress or maybe they have a server issue somewhere.
You're right, better communication would be helpful.
Edit: Now I'm also getting the following error page in the steemit wallet:
But you can still see your wallet in busy.org