Well that's not the error preventing the compile. Post your whole log and we can have a look.
** Executing...
** Command: "C:\Desktop\Steam\steamapps\common\Team Fortress 2\bin\vbsp.exe"
** Parameters: -game "C:\Desktop\Steam\steamapps\common\Team Fortress 2\tf" "C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.vmf"
Valve Software - vbsp.exe (Aug 30 2013)
4 threads
materialPath: C:\Desktop\Steam\steamapps\common\Team Fortress 2\tf\materials
Loading C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.vmf
Patching WVT material: maps/test 1/dev/dev_blendmeasure_wvt_patch
fixing up env_cubemap materials on brush sides...
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (0)
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (0)
Processing areas...done (0)
Building Faces...done (0)
Chop Details...done (0)
Find Visible Detail Sides...done (0)
Merging details...done (0)
FixTjuncs...
PruneNodes...
WriteBSP...
done (0)
writing C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.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...
WARNING: Map using power 4 displacements, terrain physics cannot be compressed, map will need additional memory and CPU.
done (0) (90586 bytes)
Placing detail props : 0...1...2...3...4...5...6...7...8...9...10
Compacting texture/material tables...
Reduced 82 texinfos to 31
Reduced 9 texdatas to 7 (238 bytes to 195)
Writing C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp
0 seconds elapsed
** Executing...
** Command: "C:\Desktop\Steam\steamapps\common\Team Fortress 2\bin\vvis.exe"
** Parameters: -game "C:\Desktop\Steam\steamapps\common\Team Fortress 2\tf" "C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1"
Valve Software - vvis.exe (Aug 27 2013)
4 threads
reading c:\desktop\steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp
reading c:\desktop\steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.prt
93 portalclusters
203 numportals
BasePortalVis: 0...1...2...3...4...5...6...7...8...9...10 (0)
PortalFlow: 0...1...2...3...4...5...6...7...8...9...10 (0)
Optimized: 9 visible clusters (0.12%)
Total clusters visible: 7428
Average clusters visible: 79
Building PAS...
Average clusters audible: 93
visdatasize:2986 compressed from 2976
writing c:\desktop\steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp
0 seconds elapsed
** Executing...
** Command: "C:\Desktop\Steam\steamapps\common\Team Fortress 2\bin\vrad.exe"
** Parameters: -game "C:\Desktop\Steam\steamapps\common\Team Fortress 2\tf" "C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1"
Valve Software - vrad.exe SSE (Aug 30 2013)
Valve Radiosity Simulator
4 threads
[Reading texlights from 'lights.rad']
[34 texlights parsed from 'lights.rad']
Loading c:\desktop\steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp
Setting up ray-trace acceleration structure... Done (0.40 seconds)
445 faces
276858 square feet [39867612.00 square inches]
1 Displacements
11832 Square Feet [1703935.88 Square Inches]
445 patches before subdivision
18919 patches after subdivision
sun extent from map=0.000000
26 direct lights
BuildFacelights: 0...1...2...3...4...5...6...7...8...9...10 (3)
BuildVisLeafs: 0...1...2...3...4...5...6...7...8...9...10 (1)
transfers 1185686, max 305
transfer lists: 9.0 megs
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #1 added RGB(10992, 10006, 9697)
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #2 added RGB(618, 493, 516)
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #3 added RGB(55, 32, 34)
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #4 added RGB(6, 2, 3)
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #5 added RGB(1, 0, 0)
GatherLight: 0...1...2...3...4...5...6...7...8...9...10 (0)
Bounce #6 added RGB(0, 0, 0)
Build Patch/Sample Hash Table(s).....Done<0.0090 sec>
FinalLightFace: 0...1...2...3...4...5...6...7...8...9...10 (2)
FinalLightFace Done
0 of 0 (0% of) surface lights went in leaf ambient cubes.
ThreadComputeLeafAmbient: 0...1...2...3...4...5...6...7...8...9...10 (2)
Writing leaf ambient...done
Ready to Finish
Object names Objects/Maxobjs Memory / Maxmem Fullness
------------ --------------- --------------- --------
models 18/1024 864/49152 ( 1.8%)
brushes 84/8192 1008/98304 ( 1.0%)
brushsides 512/65536 4096/524288 ( 0.8%)
planes 240/65536 4800/1310720 ( 0.4%)
vertexes 734/65536 8808/786432 ( 1.1%)
nodes 376/65536 12032/2097152 ( 0.6%)
texinfos 31/12288 2232/884736 ( 0.3%)
texdata 7/2048 224/65536 ( 0.3%)
dispinfos 1/0 176/0 ( 0.0%)
disp_verts 289/0 5780/0 ( 0.0%)
disp_tris 512/0 1024/0 ( 0.0%)
disp_lmsamples 31495/0 31495/0 ( 0.0%)
faces 445/65536 24920/3670016 ( 0.7%)
hdr faces 0/65536 0/3670016 ( 0.0%)
origfaces 180/65536 10080/3670016 ( 0.3%)
leaves 395/65536 12640/2097152 ( 0.6%)
leaffaces 533/65536 1066/131072 ( 0.8%)
leafbrushes 271/65536 542/131072 ( 0.4%)
areas 2/256 16/2048 ( 0.8%)
surfedges 2752/512000 11008/2048000 ( 0.5%)
edges 1541/256000 6164/1024000 ( 0.6%)
LDR worldlights 26/8192 2288/720896 ( 0.3%)
HDR worldlights 0/8192 0/720896 ( 0.0%)
leafwaterdata 0/32768 0/393216 ( 0.0%)
waterstrips 29/32768 290/327680 ( 0.1%)
waterverts 0/65536 0/786432 ( 0.0%)
waterindices 429/65536 858/131072 ( 0.7%)
cubemapsamples 7/1024 112/16384 ( 0.7%)
overlays 0/512 0/180224 ( 0.0%)
LDR lightdata [variable] 402236/0 ( 0.0%)
HDR lightdata [variable] 0/0 ( 0.0%)
visdata [variable] 2986/16777216 ( 0.0%)
entdata [variable] 26508/393216 ( 6.7%)
LDR ambient table 395/65536 1580/262144 ( 0.6%)
HDR ambient table 395/65536 1580/262144 ( 0.6%)
LDR leaf ambient 1449/65536 40572/1835008 ( 2.2%)
HDR leaf ambient 395/65536 11060/1835008 ( 0.6%)
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] 1/4174 ( 0.0%)
pakfile [variable] 383/0 ( 0.0%)
physics [variable] 90586/4194304 ( 2.2%)
physics terrain [variable] 0/1048576 ( 0.0%)
Level flags = 0
Total triangle count: 1142
Writing c:\desktop\steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp
8 seconds elapsed
** Executing...
** Command: Copy File
** Parameters: "C:\Desktop\Steam\steamapps\sharpie660\sourcesdk_content\tf\mapsrc\Test 1.bsp" "C:\Desktop\Steam\steamapps\common\Team Fortress 2\tf\maps\Test 1.bsp"