The "State Pool" is a memory allocation system within the IW engine (the engine powering BO2). Think of it as a parking lot. When the game loads a map, textures, sound files, and player models, it parks them in this "State Pool" memory slots.
Ironically, the problem gets worse on better hardware. When BO2 was released (2012), it was designed for 1GB–2GB VRAM cards and slow hard drives. Today, you have 8GB or 12GB GPUs and NVMe SSDs. The game sees all that extra memory, tries to fill the state pool with high-resolution textures and uncompressed assets, and hits a 32-bit memory ceiling much faster than it did a decade ago. The "State Pool" is a memory allocation system
Sometimes it happens instantly. Sometimes it happens after 20 minutes of gameplay. Either way, it destroys the experience. You have probably searched for a fix, found the same old advice ("Verify your files," "Update your drivers"), and given up in frustration. Ironically, the problem gets worse on better hardware
If you are reading this, you have likely been met with one of the most infuriating error messages in PC gaming history. You launch Call of Duty: Black Ops 2 , anticipation high for a session of classic raiding or League Play, only to be slapped with a black screen and the dreaded text: The game sees all that extra memory, tries
The error occurs when the game tries to park a car (load an asset) but the parking lot is full. The engine has a hard-coded limit.