It is the middle of a high-stakes Ranked Play match in Call of Duty: Black Ops 2. You are on a killstreak, the enemy team is on the ropes, and suddenly—your screen freezes. A cryptic, frustrating error message slams onto your desktop: failed to allocate from state pool.
The "Failed to allocate from state pool" error in Call of Duty: Black Ops 2
Right-click on Call of Duty: Black Ops II and select Properties.
is a notorious engine-level bug that typically occurs during specific campaign missions (like "Cordis Die" in LA) or when interacting with items in Zombies mode. While there is no official patch, the community has found several reliable workarounds. Steam Community Primary Fixes for Campaign & Zombies Lower Graphics to Minimum