This problem most commonly appears during long play sessions, in intense levels, or when the game loads a large new area. Think of it as the game trying to fit more items into a box that's already full. The solutions below aim to either lighten the load, clean out the box, or trick the game into having a bit more room to work.
Are you playing the game completely or are you using custom launchers/mods like Plutonium? This problem most commonly appears during long play
It happens most frequently during the Single Player Campaign—specifically during the high-action right after the helicopter crash or during specific narrative choices. It can also trigger in Multiplayer or Zombies when the engine handles too many assets simultaneously. Step-by-Step Fixes for Black Ops 2 State Pool Error Are you playing the game completely or are