If gathers can roll on loot from exploritory missions.

[Sylve]

How do you lock someone from changing classes? Or are you talking about them changing it?

Basically just have the loot rolling period treated as being "in combat" for the purposes of changing gear. If you cant change your gear, you cannot change your job.

Essentially, he's concerned that PuGs are seeing loot they want and then changing to another Role in order to Need on it. Such a tweak would lock you onto whatever job you were on at the time the box opened until the loot is distributed.