```
vyos@vyos# set system login user vyos authentication encrypted-password "$y$j9T$M3ssKj0ofCqmY9itA7A6/0$9k/pM4wnr5ooE850jHaGvmdBc77VeGsrypY7qFSeaDA"
Invalid encrypted password for vyos.
Value validation failed
Set failed
[edit]
vyos@vyos#
```
Issue appears to caused by switching to yescrypt password encryption:
https://github.com/vyos/vyos-1x/pull/4739
https://github.com/vyos/vyos-1x/pull/4720