There is a location in the map, there is like a restaurant and a hotel near it with christmas lights, if u enter one of the doors in the hotel u are gonna fall down under the map
Thank you for your help in alerting us to this bug, now that all of the required information has been gathered, it's been logged with the development team who will look to fix this.
Thread locked, awaiting development team response
Excellent news! This has now been fixed by the development team and will be released in a future server update.
Thanks for doing your bit to help us keep the servers bug free!