There's your problem. You have an Nano Every with a 4809, not a Nano with a 328P.
Do you have a core installed that supports the Every (either Arduino megaAVR or MegaCoreX)?
There's your problem. You have an Nano Every with a 4809, not a Nano with a 328P.
Do you have a core installed that supports the Every (either Arduino megaAVR or MegaCoreX)?