edit: Admist the crazey java errors around at the moment, this thread got posted in the wrong forum, Gwil or Lep, or whoever the moderators / admins are these days, please move it into the radiant forum, thanks.
Compile log:
G:\Half-Life\Radiant-1.4\ZHLT>hlcsg.exe  "G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005"
hlcsg v2.5.3 rel (May  2 2001)
Based on Valve's version, modified with permission.
Submit detailed bug reports to 
(zoner@gearboxsoftware.com)
-----  BEGIN  hlcsg -----
Command line: hlcsg.exe 
G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005
-= Current hlcsg Settings =-
Name                 |  Setting  |  Default
---------------------|-----------|-------------------------
threads               [       1 ] [  Varies ]
verbose               [     off ] [     off ]
log                   [      on ] [      on ]
developer             [       0 ] [       0 ]
chart                 [     off ] [     off ]
estimate              [     off ] [     off ]
max texture memory    [ 4194304 ] [ 4194304 ]
priority              [  Normal ] [  Normal ]
noclip                [     off ] [     off ]
onlyents              [     off ] [     off ]
wadtextures           [      on ] [      on ]
skyclip               [      on ] [      on ]
hullfile              [    None ] [    None ]
min surface area      [   0.500 ] [   0.500 ]
brush union threshold [   0.000 ] [   0.000 ]
Wadinclude list :
[zhlt.wad]
entering 
G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005.map
Error: Missing '[' in texturedef (U)
Description: The map has a problem which must be fixed
Howto Fix: Check the file ZHLTProblems.html for a detailed explanation of this problem
-----   END   hlcsg -----
G:\Half-Life\Radiant-1.4\ZHLT>hlbsp.exe  "G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005"
hlbsp v2.5.3 rel (May  2 2001)
Based on Valve's version, modified with permission.
Submit detailed bug reports to 
(zoner@gearboxsoftware.com)
-----  BEGIN  hlbsp -----
Command line: hlbsp.exe 
G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005
There was a problem compiling the map.
Check the file G:\Steam\SteamApps\xconspirisist@msn.log for the cause.
-----   END   hlbsp -----
G:\Half-Life\Radiant-1.4\ZHLT>COPY "G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005.bsp" "G:\
Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps"
The system cannot find the file specified.
G:\Half-Life\Radiant-1.4\ZHLT>COPY "G:\Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps\tw_clan_v005.pts" "G:\
Steam\SteamApps\xconspirisist@msn.com\half-life\valve\maps"
The system cannot find the file specified.
G:\Half-Life\Radiant-1.4\ZHLT>pause
Press any key to continue . . .