Unknownreported this bug
Access Keys only seem to work once and with one incredibly specific instance of an item. Currently, it seems ALL players always have to have access to the /md addkey command if access keys are implemented, which would create an issue of players being able to use anything. Main point currently, access keys are one-time use, despite information being added to a config file, or just entirely unusable. My example:
KeyItems:
- ==: org.bukkit.inventory.ItemStack v: 2975 type: ROTTEN_FLESH Consume: true
I added a piece of rotten flesh as an access key, played my dungeon, and completed it. I tried to play the dungeon again with another piece of rotten flesh, and I received the error "You're missing an access key for this dungeon!"