Sounds like the game is failing to load the world. I would say try regenerating your save data, and see if that helps. You can find that setting in the game options. If that doesn't work, try a reinstall.
thx
Bro what have i done
Am i in the end of time?
This is quite strange. You have tried both of my suggestions, right?
Only first
Вообще то... если не ошибаюсь, это ивент и когда ты упадёшь в пустоту, ты вернёшься на базу