Portal disappears when I click on portal to return to Nightmare Vault Dungeon. To recover more loot. After portal disappears, dungeon is reset and loot is lost. Legendaries don’t even show up at chest as recovered. Happened 3 times in a row. Are bags are too small to hold one nightmare run and being able to teleport back to recover chest loot is important as it is basically half my loot. All chests were open prior to leaving dungeon, so pearls have nothing to do with it.
I did not reset dungeon manually or teleport anywhere but to gatehalll.
I tried to teleport back to Vault less than 45 seconds after arriving at gatehall.
I marked my loot as junk prior to leaving dungeon so as to spend less time in gatehall.
Happened in Vault of Cinders twice and Vault of copper once.