CS起源地图编辑出现系统找不到指定文件

** Executing...
** Command: "E:\SourceSDK\bin\vbsp.exe"
** Parameters: -game "E:\SourceSDK\cstrike" "E:\css\lbgz 2"

Valve Software - vbsp.exe (Dec 11 2006)
2 threads
materialPath: E:\SourceSDK\cstrike\materials
Loading E:\css\lbgz 2.vmf
fixing up env_cubemap materials on brush sides...
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (1)
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (1)
Processing areas...done (0)
Building Faces...done (0)
FixTjuncs...
PruneNodes...
WriteBSP...
done (7)
writing E:\css\lbgz 2.prt...Too many portal verts

** Executing...
** Command: "E:\SourceSDK\bin\vvis.exe"
** Parameters: -game "E:\SourceSDK\cstrike" -fast "E:\css\lbgz 2"

Valve Software - vvis.exe (May 22 2006)
fastvis = true
2 threads
reading e:\css\lbgz 2.bsp
Error opening e:\css\lbgz 2.bsp

** Executing...
** Command: "E:\SourceSDK\bin\vrad.exe"
** Parameters: -game "E:\SourceSDK\cstrike" -noextra "E:\css\lbgz 2"

Valve Software - vrad.exe SSE (May 22 2006)
----- Radiosity Simulator ----
2 threads
[Reading texlights from 'lights.rad']
[45 texlights parsed from 'lights.rad']

Loading e:\css\lbgz 2.bsp
Error opening e:\css\lbgz 2.bsp

** Executing...
** Command: Copy File
** Parameters: "E:\css\lbgz 2.bsp" "E:\SourceSDK\hl2\maps\lbgz 2.bsp"

The command failed. Windows reported the error:
"系统找不到指定的文件。"

这是怎么回事呢？该怎么办

相关了解……