The only way I can think of this happening is if that unit was on a machine undergoing a series upgrade, whereupon in was pinned as the leader.
If such a machine gets destroyed without completing the upgrade, and the unit goes with it, we never unpin it as leader.
The only way I can think of this happening is if that unit was on a machine undergoing a series upgrade, whereupon in was pinned as the leader.
If such a machine gets destroyed without completing the upgrade, and the unit goes with it, we never unpin it as leader.