Erase Assistant refuses to assist.

Follow Apple's guidance for erasing an Intel-based Mac found in this doc: What to do before you sell, give away, trade in, or recycle your Mac - Apple Support

frankfromagat wrote:

I have a 2017 PowerBook Pro with OS Ventura 13 that I want to give to a friend. Erase Assistant will not work for this machine, is there a work around?

you have options—

Use Disk Utility to erase an Intel-based Mac - Apple Support

What to do before you sell, give away, trade in, or recycle your Mac - Apple Support

Erase your Mac and reset it to factory settings - Apple Support