Maintenance for the week of December 16:
• PC/Mac: No maintenance – December 16
• NA megaservers for patch maintenance – December 17, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC)
• EU megaservers for patch maintenance – December 17, 9:00 UTC (4:00AM EST) - 17:00 UTC (12:00PM EST)

The issues on the North American megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!

So, found this bug, and made a video out of it. :P