If you are using a legitimate custom client and are facing this error, follow these steps:
Buddha.dll is a dynamic link library (DLL) file that was allegedly created by a group of hackers and gamers. The file was designed to manipulate the game's memory, allowing users to gain an unfair advantage in multiplayer matches. The DLL file was named after a popular hacking term, " Buddha," which refers to a hack that allows players to remain undetected. Buddha.dll Call Of Duty Black Ops 2