How to fix "Erase Assistant Not Supported on Mac" error
try to erase all content and settings then this messege came ERASE ASSISTANT IS NOT SUPPORTED ON THIS MAC
[Re-Titled by Moderator]
MacBook Pro 13″, macOS 13.6
The Erase Assist is only available on Apple Silicon computers or on specifically configured Apple Intel computers
On a Mac with Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Erase Assistant to reset your Mac to factory settings before you trade it in or sell it.
If this computer does not Qualify to run Erase Assist
You can always use the method outlined in below link
What to do before you sell, give away, trade in, or recycle your Mac