I created a key and then realized my consumables inventory was full, thankfully the key went to postmaster but I was at the heroic chest with an anxious group so decided to just clear some space and make a new key. Well there's a bug that sends all keys to post even when there's space if there wasn't space on the previous attempt. I now have 5 keys in the post and lost a chance at 2 out of the 3 heroic chests. Yeah I know I could have left fireteam to retrieve them but nonetheless this can't possibly be working as intended. If you or anyone from bungie is skeptical or wants to see this bug in action my gamer tag on Xbox live is Tito Rodrigo, it's the most recent game clip on the profile.