Ok, I had the opposite problems of everybody else. Using the same notebook computer, I had no problem logging in at work, but I just tried it at home and got the following error:
No Response was received from the server. The DigiChat Server may not be running, or may not be a compatible version. Please contact the administrator in charge of this site.
java.io.InterruptedOException: Read timed out
So, adminstrator, I am contacting you.... :-)