This could be Internet, ISP or Cache related. Please logout from SA, navigate to Yahoo or some other site and empty your temporary internet files, go back to SA and log back in.
SA is hosted/load balanced across multiple web and application servers, sometimes members get stuck to a server that is in maintenance. Using the method below would force a redirection to a healthy server host.
This is due to tcp-ip and or dns persistence. :error:
If this does not work it could be what Master Lee suggested below. :wave: