The disk "Macintosh HD" can't be unlocked

gpaty17 wrote:

I got the error The disk "Macintosh HD" can't be unlocked” so I follow the instructions from this post

How can I recover my system without reinstalling anything or loosing any data?

It looks to me you already lost or deleted your data volume... so you are beyond that point.

ref: How to reinstall macOS

Recovery (both M1/M2/M3 and Intel) — How to reinstall macOS - Apple Support

gpaty17 wrote:

Thank you for your help, Is there way to recover the 250 Gb of data?

from one of your backups...?

3-2-1 Backup Strategy: three copies of your data, two different methods, and one offsite. 

More than one device, more than one backup methodology.

restore items backed up with Time Machine

Restore items backed up with Time Machine on Mac - Apple Support

Restore your Mac from a backup

Restore your Mac from a backup - Apple Support