Which build slot should I select as I want create a win32 exe?

which build slot should I select as I want create a win32 exe?

Currently I choose “Debug Editor” with “Win64”,but I want to create a 32bit Game, when I select “DebugGame_Editor” int “Win32”, there are build error,such as
"error MSB3073: the command "c:\ue\eingien\build\batchfiles\build.bat HeroEditor Win32 DebugGame “C:\work\hero\hero.uproject” exited with code -1

my project name is “Hero”.