when i was compiling one of my maps this error occured i don't know how to fix it please help   
hlrad: Error: Malformed face normal
Description: The texture alignment of a visible face is unusable
Howto Fix: If using Worldcraft, do a check for problems and fix any occurences of 'Texture axis perpindicular to face'
here is the log 
hlcsg v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (merlinis@bigpond.net.au)
-----  BEGIN  hlcsg -----
Command line: hlcsg -nowadtextures da_remix3 
Entering da_remix3.map
Current hlcsg Settings
Name                 |  Setting  |  Default
---------------------|-----------|-------------------------
threads               [       4 ] [  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 ]
null texture stripping[      on ] [      on ]
clipnode economy mode [      on ] [      on ]
onlyents              [     off ] [     off ]
wadtextures           [     off ] [      on ]
skyclip               [      on ] [      on ]
hullfile              [    None ] [    None ]
min surface area      [   0.500 ] [   0.500 ]
brush union threshold [   0.000 ] [   0.000 ]
Using mapfile wad configuration
Wadinclude list :
[zhlt.wad]
4 brushes (totalling 24 sides) discarded from clipping hulls
CreateBrush:
 (0.08 seconds)
SetModelCenters:
 (0.00 seconds)
CSGBrush:
 (0.69 seconds)
Using Wadfile: \counter strike\counter strike cz\czero\all.wad
 - Warning: Larger than expected texture (348972 bytes): 'TL_GRY_CLEAN03'
 - Warning: Larger than expected texture (348972 bytes): '{BAM_TREES03'
 - Warning: Larger than expected texture (272812 bytes): '{TK_PLANTLG'
 - Contains 38 used textures, 92.68 percent of map (1631 textures in wad)
Including Wadfile: \counter strike\zhlt.wad
 - Contains 0 used textures, 0.00 percent of map (7 textures in wad)
Warning: ::FindTexture() texture PFAB_DSKDRWR not found!
Warning: ::FindTexture() texture LAB1_STAIR2B not found!
Warning: ::FindTexture() texture FIFTIES_DSK5DX not found!
Warning: ::LoadLump() texture FIFTIES_DSK5DX not found!
Warning: ::LoadLump() texture LAB1_STAIR2B not found!
Warning: ::LoadLump() texture PFAB_DSKDRWR not found!
Texture usage is at 1.43 mb (of 4.00 mb MAX)
0.87 seconds elapsed
-----   END   hlcsg -----
hlbsp v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (merlinis@bigpond.net.au)
-----  BEGIN  hlbsp -----
Command line: hlbsp da_remix3 
Current hlbsp Settings
Name               |  Setting  |  Default
-------------------|-----------|-------------------------
threads             [       4 ] [  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 ]
nofill              [     off ] [     off ]
null tex. stripping [      on ] [      on ]
notjunc             [     off ] [     off ]
subdivide size      [     240 ] [     240 ] (Min 64) (Max 512)
max node size       [    1024 ] [    1024 ] (Min 64) (Max 4096)
BSP generation successful, writing portal file 'da_remix3.prt'
1.06 seconds elapsed
-----   END   hlbsp -----
hlvis v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (merlinis@bigpond.net.au)
-----  BEGIN  hlvis -----
Command line: hlvis da_remix3 
 733 portalleafs
2235 numportals
-= Current hlvis Settings =-
Name               |  Setting  |  Default
-------------------|-----------|-------------------------
threads             [       4 ] [  Varies ]
verbose             [     off ] [     off ]
log                 [      on ] [      on ]
developer           [       0 ] [       0 ]
chart               [     off ] [     off ]
estimate            [     off ] [     off ]
max texture memory  [ 4194304 ] [ 4194304 ]
max vis distance    [       0 ] [       0 ]
priority            [  Normal ] [  Normal ]
fast vis            [     off ] [     off ]
full vis            [     off ] [     off ]
BasePortalVis:
 (0.17 seconds)
LeafThread:
 (5.70 seconds)
average leafs visible: 149
g_visdatasize:44078  compressed from 67436
5.95 seconds elapsed
-----   END   hlvis -----
hlrad v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (merlinis@bigpond.net.au)
-----  BEGIN  hlrad -----
Command line: hlrad da_remix3 
-= Current hlrad Settings =-
Name                | Setting             | Default
--------------------|---------------------|-------------------------
threads              [                 4 ] [            Varies ]
verbose              [               off ] [               off ]
log                  [                on ] [                on ]
developer            [                 0 ] [                 0 ]
chart                [               off ] [               off ]
estimate             [               off ] [               off ]
max texture memory   [           4194304 ] [           4194304 ]
priority             [            Normal ] [            Normal ]
vismatrix algorithm  [          Original ] [          Original ]
oversampling (-extra)[               off ] [               off ]
bounces              [                 1 ] [                 1 ]
ambient light        [ 0.000 0.000 0.000 ] [ 0.000 0.000 0.000 ]
maximum light        [           255.000 ] [           256.000 ]
circus mode          [               off ] [               off ]
smoothing threshold  [            50.000 ] [            50.000 ]
direct threshold     [            25.000 ] [            25.000 ]
direct light scale   [             2.000 ] [             2.000 ]
coring threshold     [             1.000 ] [             1.000 ]
patch interpolation  [                on ] [                on ]
texscale             [                on ] [                on ]
patch subdividing    [                on ] [                on ]
chop value           [            64.000 ] [            64.000 ]
texchop value        [            32.000 ] [            32.000 ]
global fade          [             1.000 ] [             1.000 ]
global falloff       [                 2 ] [                 2 ]
global light scale   [ 1.000 1.000 1.000 ] [ 1.000 1.000 1.000 ]
global gamma         [ 0.500 0.500 0.500 ] [ 0.500 0.500 0.500 ]
global light scale   [             1.000 ] [             1.000 ]
global sky diffusion [             1.000 ] [             1.000 ]
opaque entities      [                on ] [                on ]
sky lighting fix     [                on ] [                on ]
incremental          [               off ] [               off ]
dump                 [               off ] [               off ]
colour jitter        [       0.0 0.0 0.0 ] [       0.0 0.0 0.0 ]
monochromatic jitter [       0.0 0.0 0.0 ] [       0.0 0.0 0.0 ]
softlight hack       [   0.0 0.0 0.0 0.0 ] [   0.0 0.0 0.0 0.0 ]
diffuse hack         [                on ] [                on ]
spotlight points     [                on ] [                on ]
custom shadows with bounce light
                     [               off ] [               off ]
rgb transfers        [               off ] [               off ]
5125 faces
Create Patches : 46112 base patches
0 opaque faces
640726 square feet [92264656.00 square inches]
22 direct lights
BuildFacelights:
Malformed face (1115) normal @ 
(1188.00, -444.00, 219.00)
(1188.00, -444.00, 56.00)
(1187.00, -444.00, 56.00)
(1187.00, -444.00, 219.00)
Error: Malformed face normal
Description: The texture alignment of a visible face is unusable
Howto Fix: If using Worldcraft, do a check for problems and fix any occurences of 'Texture axis perpindicular to face'
-----   END   hlrad -----
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