If you find such message at flash any device :

In most cases it means that something is wrong
If device is already dead - just skip it
Otherwise, it may produced by region change (f.e. Xiaomi ) or other HW revision (other models)
Autobackup is now enabled by default so after device flashing - check it's state and if BaseBand or security gone - next ones button:

Will restore just software-version indepedent security items.