Launcher news say that a quest needed to be closed "due to technical difficulties".

The quest Tomb of the Tormented, located in The Necropolis, has been temporarily closed due to a technical issue. Thank you for your patience!

I most likely won't be available on Saturday & Sunday. Reason : The German "Role-Play Convention", "RPC" www.RPC-Germany.de … And they still don't have any English-language web page there …