求生之路2错误求大佬

打开求生之路2后，打开控制台会提示这些东西，求大佬解释一波什么意思

Particles: Missing 'particles/env_electricity.pcf'
KeyValues Error: RecursiveLoadFromBuffer: got } in key in file missions/bpmissfile.txt
mission, modes, scavenge, 1,
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid map specified for modes/survival/1
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid settings for game mode survival
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid map specified for modes/versus/1
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid settings for game mode versus
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid map specified for modes/scavenge/1
MissionManager: Mission file "missions/draxmap2_missions.txt" has invalid settings for game mode scavenge
KeyValues Error: RecursiveLoadFromBuffer: got EOF instead of keyname in file missions/qe2.txt
mission, (*modes*), (*coop*), (*5*),
KeyValues Error: RecursiveLoadFromBuffer: got } in key in file

恩。游戏自带的破解的EXE执行文件，你覆盖安装了没有？找找，应该就在你安装包或者光盘里，一个文件夹，里面就是求生之路2的执行程序一个，复制出来，覆盖游戏目录下的执行程序就ok了。

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