SOLVED: open your boards.txt file and add the code below...
(Windows 10 64 bit example)

• C:\Users\YOURUSERNAME\AppData\Local\Arduino15\packages\m5stack\hardware\esp32\2.0.5
  (you may need to make hidden folders visible in the top menu section under the view tab)
• Open the boards.txt file
• Scroll down to the m5stick-c-plus section of code listed. At the very bottom of this section add the lines:
  m5stick-c-plus.menu.EraseFlash.none=Disabled
  m5stick-c-plus.menu.EraseFlash.none.upload.erase_cmd=
  m5stick-c-plus.menu.EraseFlash.all=Enabled
  m5stick-c-plus.menu.EraseFlash.all.upload.erase_cmd=-e

Notice the way this is listed for other boards like the stick-c and do the same. You can now use the stick-c plus board listed in the Arduino IDE! You could also just use the stick-c board listed but I had errors in third-party programs.

Sorry for the repeat question, https://forum.m5stack.com/topic/4665/esptool-write_flash-error-argument-address-upload-erase_cmd-must-be-a-number/13

I try to upload and get this error: Arduino: 1.8.19 (Windows 10), Board: "M5Stick-C-Plus, Default, 240MHz (WiFi/BT), 750000, None"

Sketch uses 295489 bytes (22%) of program storage space. Maximum is 1310720 bytes.

Global variables use 17336 bytes (5%) of dynamic memory, leaving 310344 bytes for local variables. Maximum is 327680 bytes.

usage: esptool write_flash [-h] [--erase-all]

                       [--flash_freq {keep,80m,60m,48m,40m,30m,26m,24m,20m,16m,15m,12m}]

                       [--flash_mode {keep,qio,qout,dio,dout}]

                       [--flash_size FLASH_SIZE]

                       [--spi-connection SPI_CONNECTION] [--no-progress]

                       [--verify] [--encrypt]

                       [--encrypt-files <address> <filename> [<address> <filename> ...]]

                       [--ignore-flash-encryption-efuse-setting]

                       [--compress | --no-compress]

                       <address> <filename> [<address> <filename> ...]

esptool write_flash: error: argument <address> <filename>: Address "{upload.erase_cmd}" must be a number

esptool write_flash: error: argument <address> <filename>: Address "{upload.erase_cmd}" must be a number

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.