That bords.txt file is old enough that it doesn't have a ".build.variant=standard" line. Add this line to the breadboard boards.txt file:Quoteatmega328bb.build.variant=standard
Still, the same error. ><
When burning that atmega 328 with internal 8MHz crystal, I have to put an external 16 MHz crystal to the circuit ? if not error bootloading ?
Not even can burn a bootloader now ><
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