tryed to get on chat today and it came up with

Plugin: 'Flash' [ Initialized ]
Opening connection to: 'chat.deviantart.com'
Connected to 'chat.deviantart.com' [OK]
Failed to logon as '' reason: [ authentication failed ]
You have been disconnected. Reason: [ no login (undefined) ]

but this aslo happen to me on sunday  after hit the F5 key some times it worked now it just wont >: