Edit: If this is an official server, please use
https://forums.funcom.com/t/is-your-server-unavailable-use-our-new-report-tool/1859 as well, as this will speed up any maintenance.
As servers tend to have issues in ‘groups’, this issue may be related to:
Please check back from time to time with your own posts and the posts noted above. I hope they’ll fix it soon 
(Staff may not be available during weekends, so don’t get worried that it didn’t get fixed yesterday.)