Crash when trying to disconnect from infmap2 map with PAC3 enabled

[Def-Try]

Executable: C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\bin\win64\gmod.exe

-Lua Stack Traces-
==================
  Client
    0. GetMegaPos - [C]:-1
      1. (null) - addons/infmap2/lua/infmap2/ish/detours.lua:246
        2. pcall - [C]:-1
          3. IsActuallyValid - lua/pac3/core/client/part_pool.lua:21
            4. v - lua/pac3/core/client/part_pool.lua:397
              5. (null) - lua/includes/modules/hook.lua:102

  Server
	*Not in Lua call OR Lua has panicked*

  MenuSystem
	*Not in Lua call OR Lua has panicked*