Can you post your compile log here? Interlopers sometimes doesn't catch certain important errors.
ok, this is my most recent compile.
** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\bin\vbsp.exe"
** Parameters: -game "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf" "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_icecap_a2.vmf"
Valve Software - vbsp.exe (May 21 2020)
2 threads
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\cp_icecap_a2.vmf
ConVarRef mat_reduceparticles doesn't point to an existing ConVar
Error: displacement found on a(n) func_detail entity - not supported (entity 169, brush 0)
** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\bin\vvis.exe"
** Parameters: -game "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf" "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_icecap_a2"
vvis launcher error: can't load vvis_dll.dll
The specified procedure could not be found.
** Executing...
** Command: "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\bin\vrad.exe"
** Parameters: -game "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf" "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_icecap_a2"
vrad_launcher error: can't load vrad_dll.dll
The specified procedure could not be found.
** Executing...
** Command: Copy File
** Parameters: "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_icecap_a2.bsp" "C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf\maps\cp_icecap_a2.bsp"