I am stuck in Derelict Mansion Boss in a map

When doing the map Derelict Mansion and killed the first boss, the 2nd boss is outside and not in the outdoor garden. The door is also closed and I can't get out, Logging out wont work either and when I come back it takes me to the same map

I sent the 2 bug support:

3396830405
2450160110

Same happens to me . Cant even "respawn to checkpoint".