ToME: the Tales of Maj'Eyal

Ok, I have opened a ticket and submitted my save folder. I also tried this, with a copy of the folder: Went down to floor 2. Saved. Deleted the level-conclave-vault-3.teal file. Entered floor 3, which seems to have created a new instance as I had hoped (this time there are stairs to floor 4 right at...

I was trying to unlock the Ogre race, which can be done in the fourth level of the Old Conclave Vault according to the wiki. There were no stairs from level 3 to 4 though. I have dug up most of the level (no dark spaces left), and auto explore stops at the stairs to level 2. Attached save file for t...