Thank you for your patience with this issue. This is a problem we've seen others experiencing as well. We are still investigating the cause of this problem at the moment but in the meantime, if after waiting 8 hours you are receiving the same message, please place a helpdesk call in game and a GM may be able to help you progress with this quest further. We are sorry for the inconvenience, and any updates about this issue will be posted in the forums as they become available. Best wishes, and safe travels!