When you are browsing the Symantec Endpoint Protection Small Business Edition customer portal at https://hostedendpoint.spn.com, the Computers, Policies or Reports pages display the error, "[Data Error]".
This error is caused by extreme server load. Once the server load is balanced or decreased the behavior will desist.
Please wait 30 minutes to 1 hour and reload the affected page(s). If the behavior continues to persist, please contact Symantec support.