Cant leave vault

[DasRunzen]

Issue happened at the giant vault that has a lich-boss at the end where walls appear and block you from going out.
Somehow the wall that should turn back into a door at some point doesnt do that at all.
As an Antimagic without psychoport, his "killed" my character.

It's the wall around 10 grids to the right and 6 grids down from the entrance and happened in v1.0 with infinite500 addon on a cornac summoner (maybe summons caused that, but im not sure)
Will keep the save if you need it.