** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\bin\vbsp.exe"
** Parameters: -game "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod" "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281.vmf"

Valve Software - vbsp.exe (Dec 6 2021)
1 threads
materialPath: C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\materials
Loading C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281.vmf
ConVarRef mat_reduceparticles doesn't point to an existing ConVar
***need to set $abovewater for material maps/rp_2300_vd2a3/lostcoast/nature/water_ati_6953_5251_15238
***need to set $abovewater for material maps/rp_2300_vd2a3/lostcoast/nature/water_ati_6953_5251_15238
Can't find surfaceprop marble for material MAPS/RP_2300_VD2A3/AGENCY/FLOOR/TILE01_6953_5251_15238, using default
Patching WVT material: maps/rp_2281/bigwig/bigblendcrackroad1_wvt_patch
Patching WVT material: maps/rp_2281/fallout/base2&dirtwasteland01_wvt_patch
Patching WVT material: maps/rp_2281/nature/blendrockdirt008c_wvt_patch
Patching WVT material: maps/rp_2281/bigwig/bigblendcrack2_wvt_patch
Patching WVT material: maps/rp_2281/bigwig/bigblendcrackparch2_wvt_patch
Patching WVT material: maps/rp_2281/bigwig/bigblendsand1_wvt_patch
Patching WVT material: maps/rp_2281/nature/blenddirtdirt001a_wvt_patch
Patching WVT material: maps/rp_2281/statua/nature/blendsandsand_wvt_patch
Patching WVT material: maps/rp_2281/fallout/rubblepile03&dirtwasteland01_wvt_patch
Patching WVT material: maps/rp_2281/nh_textures/rubble_stone_blending2_wvt_patch
Patching WVT material: maps/rp_2281/nature/blendrockdirt_tunnel01a_wvt_patch
fixing up env_cubemap materials on brush sides...
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (2)
ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9...10 (2)
Processing areas...done (0)
Building Faces...***need to set $abovewater for material lostcoast/nature/water_ati_beneath
***need to set $abovewater for material lostcoast/nature/water_ati_beneath
done (1)
Chop Details...done (0)
Find Visible Detail Sides...
Merged 3426 detail faces...done (1)
Merging details...done (1)
FixTjuncs...
Too many t-junctions to fix up! (3441 prims, max 32768 :: 65556 indices, max 65536)


** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\bin\vvis.exe"
** Parameters: -game "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod" "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281"

Valve Software - vvis.exe (Dec 6 2021)
1 threads
reading c:\program files (x86)\steam\steamapps\common\garrysmod\garrysmod\maps\rp_2281.bsp
Error opening c:\program files (x86)\steam\steamapps\common\garrysmod\garrysmod\maps\rp_2281.bsp

** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\bin\vrad.exe"
** Parameters: -both -game "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod" "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281"

Valve Software - vrad.exe SSE (Dec 6 2021)

Valve Radiosity Simulator
1 threads
[Reading texlights from 'lights.rad']
[45 texlights parsed from 'lights.rad']

Loading c:\program files (x86)\steam\steamapps\common\garrysmod\garrysmod\maps\rp_2281.bsp
Error opening c:\program files (x86)\steam\steamapps\common\garrysmod\garrysmod\maps\rp_2281.bsp

** Executing...
** Command: Copy File
** Parameters: "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281.bsp" "C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\maps\rp_2281.bsp"

What does this mean, and how can I fix it?