SinSeers Shopping Safety Secret: Alt-F4 is your friend, and always wear your fall armor!
Designed to lure shoppers in, then kill them. The owner can then take all the scrap, including flux and junk the shopper may have been server hopping to collect.
This trap is designed to do damage to you so you can’t fast travel out.
In this case your best option is to simply Alt-F4 out of that world.
