Password firmware.
I removed my macbook throught the Find My because i would like sell it. And now it's locked. Password firmware.
MacBook Pro 15″, macOS 11.7
Question marked as
StButcher wrote:
and how it will help me
It will help you because it is what you have to do before selling your Mac.
If you forgot your firmware password follow these instructions:
Set a firmware password on your Mac - Apple Support