Compile Log to see if errors are there

materialPath: C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf\materials
Loading C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.vmf
ConVarRef mat_reduceparticles doesn't point to an existing ConVar
Patching WVT material: maps/koth_sandpit_a5/nature/blendgroundtograss009_wvt_patch
Patching WVT material: maps/koth_sandpit_a5/dev/dev_blendmeasure_wvt_patch
Patching WVT material: maps/koth_sandpit_a5/nature/blendgroundtograss007_reducedetail_wvt_patch
Patching WVT material: maps/koth_sandpit_a5/dev/dev_blendmeasure2_wvt_patch
fixing up env_cubemap materials on brush sides...
0...1...2...3...4...5...6...7...8...9...100...1...2...3...4...5...6...7...8...9...10Processing areas...done (0)
Building Faces...done (0)
Chop Details...done (0)
Find Visible Detail Sides...
Merged 454 detail faces...done (0)
Merging details...done (0)
FixTjuncs...
PruneNodes...
WriteBSP...
done (1)
writing C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.prt...Building visibility clusters...
done (0)
*** Error: Skybox vtf files for skybox/sky_tf2_04 weren't compiled with the same size texture and/or same flags!
Can't load skybox file skybox/sky_tf2_04 to build the default cubemap!
*** Error: Skybox vtf files for skybox/sky_tf2_04 weren't compiled with the same size texture and/or same flags!
Can't load skybox file skybox/sky_tf2_04 to build the default cubemap!
Finding displacement neighbors...
Finding lightmap sample positions...
Displacement Alpha : 0...1...2...3...4...5...6...7...8...9...10
Building Physics collision data...
done (0) (691871 bytes)
Placing detail props : 0...1...2...3...4...5...6...7...8...9...Material NATURE/BLENDGROUNDTOGRASS009 uses unknown detail object type tf_forest_grass!
Material NATURE/BLENDGROUNDTOGRASS009 uses unknown detail object type tf_forest_grass!
10
Compacting texture/material tables...
Reduced 2572 texinfos to 1036
Reduced 34 texdatas to 29 (911 bytes to 778)
Writing C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.bsp
Wrote ZIP buffer, estimated size 2292, actual size 1810
29 seconds elapsed



6 threads
reading c:\program files (x86)\steam\steamapps\common\team fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.bsp
reading c:\program files (x86)\steam\steamapps\common\team fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.prt
1591 portalclusters
4928 numportals
0...1...2...3...4...5...6...7...8...9...100...1...2...3...4...5...6...7...8...9...10Optimized: 14682 visible clusters (1.79%)
Total clusters visible: 819207
Average clusters visible: 514
Building PAS...
Average clusters audible: 1513
visdatasize:583735 compressed from 636400
writing c:\program files (x86)\steam\steamapps\common\team fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.bsp
51 minutes, 23 seconds elapsed



[Reading texlights from 'lights.rad']
[56 texlights parsed from 'lights.rad']

Loading c:\program files (x86)\steam\steamapps\common\team fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.bsp
7811 faces
2 degenerate faces
1295011 square feet [186481664.00 square inches]
2 Displacements
238 Square Feet [34302.30 Square Inches]
7809 patches before subdivision
110423 patches after subdivision
55 direct lights
0...1...2...3...4...5...6...7...8...9...100...1...2...3...4...5...6...7...8...9...10transfers 8861303, max 1074
transfer lists: 67.6 megs
0...1...2...3...4...5...6...7...8...9...10 Bounce #1 added RGB(340782, 213764, 167462)
0...1...2...3...4...5...6...7...8...9...10 Bounce #2 added RGB(35501, 15666, 15247)
0...1...2...3...4...5...6...7...8...9...10 Bounce #3 added RGB(4657, 1468, 1695)
0...1...2...3...4...5...6...7...8...9...10 Bounce #4 added RGB(649, 138, 205)
0...1...2...3...4...5...6...7...8...9...10 Bounce #5 added RGB(97, 14, 26)
0...1...2...3...4...5...6...7...8...9...10 Bounce #6 added RGB(15, 1, 3)
0...1...2...3...4...5...6...7...8...9...10 Bounce #7 added RGB(2, 0, 0)
0...1...2...3...4...5...6...7...8...9...10 Bounce #8 added RGB(0, 0, 0)
Build Patch/Sample Hash Table(s).....Done<0.0432 sec>
0...1...2...3...4...5...6...7...8...9...10FinalLightFace Done
0 of 0 (0% of) surface lights went in leaf ambient cubes.
0...1...2...3...4...5...6...7...8...9...10Writing leaf ambient...done
Ready to Finish

Object names Objects/Maxobjs Memory / Maxmem Fullness
------------ --------------- --------------- --------
models 24/1024 1152/49152 ( 2.3%)
brushes 1954/8192 23448/98304 (23.9%)
brushsides 14097/65536 112776/524288 (21.5%)
planes 7968/65536 159360/1310720 (12.2%)
vertexes 13546/65536 162552/786432 (20.7%)
nodes 3365/65536 107680/2097152 ( 5.1%)
texinfos 1036/12288 74592/884736 ( 8.4%)
texdata 29/2048 928/65536 ( 1.4%)
dispinfos 2/0 352/0 ( 0.0%)
disp_verts 50/0 1000/0 ( 0.0%)
disp_tris 64/0 128/0 ( 0.0%)
disp_lmsamples 816/0 816/0 ( 0.0%)
faces 7811/65536 437416/3670016 (11.9%)
hdr faces 0/65536 0/3670016 ( 0.0%)
origfaces 5076/65536 284256/3670016 ( 7.7%)
leaves 3390/65536 108480/2097152 ( 5.2%)
leaffaces 11862/65536 23724/131072 (18.1%)
leafbrushes 6087/65536 12174/131072 ( 9.3%)
areas 2/256 16/2048 ( 0.8%)
surfedges 59197/512000 236788/2048000 (11.6%)
edges 35787/256000 143148/1024000 (14.0%)
LDR worldlights 55/8192 4840/720896 ( 0.7%)
HDR worldlights 0/8192 0/720896 ( 0.0%)
leafwaterdata 0/32768 0/393216 ( 0.0%)
waterstrips 1019/32768 10190/327680 ( 3.1%)
waterverts 0/65536 0/786432 ( 0.0%)
waterindices 17241/65536 34482/131072 (26.3%)
cubemapsamples 0/1024 0/16384 ( 0.0%)
overlays 19/512 6688/180224 ( 3.7%)
LDR lightdata [variable] 4509840/0 ( 0.0%)
HDR lightdata [variable] 0/0 ( 0.0%)
visdata [variable] 583735/16777216 ( 3.5%)
entdata [variable] 44385/393216 (11.3%)
LDR ambient table 3390/65536 13560/262144 ( 5.2%)
HDR ambient table 3390/65536 13560/262144 ( 5.2%)
LDR leaf ambient 15154/65536 424312/1835008 (23.1%)
HDR leaf ambient 3390/65536 94920/1835008 ( 5.2%)
occluders 0/0 0/0 ( 0.0%)
occluder polygons 0/0 0/0 ( 0.0%)
occluder vert ind 0/0 0/0 ( 0.0%)
detail props [variable] 1/12 ( 8.3%)
static props [variable] 1/11008 ( 0.0%)
pakfile [variable] 1810/0 ( 0.0%)
physics [variable] 691871/4194304 (16.5%)
physics terrain [variable] 122/1048576 ( 0.0%)

Level flags = 0

Total triangle count: 23324
Writing c:\program files (x86)\steam\steamapps\common\team fortress 2\sourcesdk_content\tf\mapsrc\koth_sandpit_a5.bsp
1 minute, 41 seconds elapsed