We had previously downloaded quite a few minecraft maps and mash-ups, but after a while, it said we were running out of space. Then when we closed and reopened minecraft, it would go completely black and unresponsive. A few weeks later, we couldnt access the worlds or the Minecraft marketplace. The only solution was resetting minecraft, losing all purchased worlds and skin packs. After the reset, it was a lot better and we could download and buy maps easily. Quite a while later, we were unable to play the bought maps because we didnt have enough space, leading us to delete almost all worlds. We had purchased quite a few worlds after the reset, and were not happy with losing all of the maps, along with all the money we spent on it.