I got the same issue when trying to bootload a boot.file onto it using the terminal with this
avrdude -c Arduino -P COM1 -p m328p -F -U :w:ATmegaBOOT_w68_atmega328_pro_8MHz.hex
I got the same issue when trying to bootload a boot.file onto it using the terminal with this
avrdude -c Arduino -P COM1 -p m328p -F -U :w:ATmegaBOOT_w68_atmega328_pro_8MHz.hex