Bugged mission door in Peregrine Island

[Garble]

Twice now I've had a mission at this door and during an attempt to enter wound up beneath the floor in this zone.

 

The door is at approximately

Loc: -323.1 0.0 -608.7

 

After I clicked the door to enter I got a really long loading screen then wound up back in Peregrine Island, unable to move or see my toon.

 

Zooming in:

 

All the UI windows are hidden so I had to force quit the game.

[Garble]

As a follow-up, it turns out is not just this door. I've had it happen with the SG Base entrance too. This includes the slash command.