Maintenance for the week of January 6:
· [COMPLETE] NA megaservers for maintenance – January 8, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
· [COMPLETE] EU megaservers for maintenance – January 8, 9:00 UTC (4:00AM EST) - 13:00 UTC (8:00AM EST)
Happened to me yesterday just go to history and delete only your data or cookies. Make sure it's for the past 24 hrs or however long it's been on desktop mode for.