Hello. I'm in the first dungeon, called "The Ruins of Cilant Lis", and when I tried to pick the "Minor Cloak of Protection" from the chest in the wall, it disappeared. I used the command "loot all", and nobody picked it.
After, I reloaded the game, picked the Cloak with drag and drop, and it worked. So, it's just the "loot all" button to be bugged, I don't know.
I also noticed my main character had no longer a weapon. I don't know if it disappeared, or I just put it in inventory by mistake...because I had a mace in inventory, but I don't know if it was the original mace or a loot.
*I don't know if the command in english is really"loot all", because I play with italian interface. But you know what I mean.