Need help compiling User AutoSave Mod for ESP32

Questions
1

Hi,

I am following the user guide provided for compiling custom usersave mod. I am getting error
“Error: Unknown board ID ‘esp32dev’” which parameters to change for ESP32 4MB Development board.

[platformio]

default_envs = WLED_ESP32_4MB_1MB_FS

[env:WLED_ESP32_4MB_1MB_FS]

board = esp32dev

platform = ${common.platform_wled_default}

platform_packages = ${common.platform_packages}

board_build.ldscript = ${common.ldscript_1m128k}

lib_deps = ${esp8266.lib_deps}

build_unflags = ${common.build_unflags}

build_flags = ${common.build_flags_esp8266}