Ok, now today I just realized that there are 2 different types of metal boxes, and strong boxes. (Those little gold boxes.) Both have ones that will hold 125 items and weigh 1 stone when empty. BUT, there are certain ones that will only hold 25 items and those weigh 100 stones when empty. Well, I just emptied the one I had that only held 25 items and released it so I could replace it with one that holds 125 items, but now that it's empty and not locked down, it cannot be picked up! I tried to pick it up to put in my backpack, but it just won't be picked up. It's not locked down, it's empty, my backpack is not full and I have pleanty of strength to carry it. Guess I'll have to just wait to see if it degrades. Weird glitch, or is this a common thing with those metal boxes and strong boxes that only hold 25 items?