Plutonium

So, mine fixed itself doing this: Unlock custom classes, quit the match and go back in. it will kick you, and for me also put me back to the rank before the unlock. Fully quit BlOps1 and plutonium. Load it up again and re-earn thew rank. Choose a custom class in the same match you unlocked it, from then on it was fine. IDK what step fixed the issue, but it did