I've been playing Borderlands: The Pre Sequel. I finished the mission *Fresh Air*, and I got a reward for completing it.

The next day I did all other missions, but I have seen it's undiscovered, and I can't do anything  to start it. 

[![screenshot of issue described above][1]][2]

What can I do? I'm playing on the PS3.


  [1]: https://i.sstatic.net/cWqjUl.jpg
  [2]: https://i.sstatic.net/cWqjU.jpg