this error i see
avrdude: jtagmkII_initialize(): Cannot locate "flash" and "boot" memories in description
i am use arduino nano every atmega4809
i have install megaAVR Boards by Arduino
in device i see the arduino nano every
in arduino ide i select board arduino nano every
in port select that's where the (com) arduino nano every
in register emulation select none (atmega4809)
in programmer there is only onboard atmel medbg (uno wifi rev2)