** Executing...
** Command: "G:\SteamLibrary\steamapps\common\Team Fortress 2\bin\vbsp.exe"
** Parameters: -game "G:\SteamLibrary\steamapps\common\Team Fortress 2\tf" "G:\SteamLibrary\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_sulfur_a11.vmf"

Valve Software - vbsp.exe (Dec 30 2015)
8 threads
materialPath: G:\SteamLibrary\steamapps\common\Team Fortress 2\tf\materials
Loading G:\SteamLibrary\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_sulfur_a11.vmf
ConVarRef mat_reduceparticles doesn't point to an existing ConVar

** Executing...
** Command: Copy File
** Parameters: "G:\SteamLibrary\steamapps\common\Team Fortress 2\sourcesdk_content\tf\mapsrc\cp_sulfur_a11.bsp" "G:\SteamLibrary\steamapps\common\Team Fortress 2\tf\maps\cp_sulfur_a11.bsp"

The command failed. Windows reported the error:
  "The system cannot find the file specified."