vbsp.exe critcal error - Help Please

[danknerd]

here is my compiling read out

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** Executing...
** Command: Change Directory
** Parameters: "d:\program files\valve\steam\steamapps\dankstarr\sourcesdk"


** Executing...
** Command: Copy File
** Parameters: "D:\Program Files\Valve\Steam\SteamApps\dankstarr\half-life 2\hl2\maps\one.vmf" "D:\Program Files\Valve\Steam\SteamApps\dankstarr\half-life 2\hl2\maps\one.vmf"


** Executing...
** Command: "d:\program files\valve\steam\steamapps\dankstarr\sourcesdk\bin\vbsp.exe"
** Parameters: "D:\Program Files\Valve\Steam\SteamApps\dankstarr\half-life 2\hl2\maps\one"

Valve Software - vbsp.exe (Nov 4 2004)
1 threads
materialPath: D:\Program Files\Valve\Steam\SteamApps\dankstarr\half-life 2\hl2\materials
Loading D:\Program Files\Valve\Steam\SteamApps\dankstarr\half-life 2\hl2\maps\one.vmf
fixing up env_cubemap materials on brush sides...
Creating default cubemaps for env_cubemap using skybox sky_wasteland02...
Run buildcubemaps in the engine to get the correct cube maps.
Finding displacement neighbors...
Found a displacement edge abutting multiple other edges.

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then I get a windows error message box that says....

vbsp.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

AppName: vbsp.exe AppVer: 0.0.0.0 ModName: vbsp.exe
ModVer: 0.0.0.0 Offset: 0002acc4