Deleted and reinstalled with the new experimental A20 dedi server files. On server startup, receive a bunch of errors and warning about subshaders, then it throws these errors:
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libc
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/libX11
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/lib/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/lib/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon.dll
Fallback handler could not load library C:/Program Files (x86)/Steam/steamapps/common/7 Days to Die Dedicated Server/7DaysToDieServer_Data/Mono/lib/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon