Troubleshooting Tip: 'old-password' error when restoring full configuration without password

After attempting to restore the device with username and blank password, device shows error in config error log

System is rebooting...

System is starting...
System file integrity init check failed!
The config file may contain errors.
Please see details by the command 'diagnose debug config-error-log read'.

diagnose debug config-error-log read
>>> "set" "dhcp-relay-vrf-select" "4294967295" @ 503:global.system.interface.ha:value parse error (error -61)

>>> "set" "old-password" "ENC" @ 3607:global.system.admin.admin:failed command (error -160)
>>> "set" "old-password" "ENC" @ 4172:global.system.admin.vdom_admin:failed command (error -160)
>>> "set" "old-password" "ENC" @ 4214:global.system.admin.read:failed command (error -160)
>>> "set" "old-password" "ENC" @ 4256:global.system.admin.write:failed command (error -160)
>>> "set" "old-password" "ENC" @ 4298:global.system.admin.admin2:failed command (error -160)
>>> "set" "old-password" "ENC" @ 4340:global.system.admin.test1:failed command (error -160)

>>> "set" "vrf-select" "-1" @ 25275:root.web-proxy.explicit:value parse error (error -651)
>>> "set" "vrf-select" "-1" @ 32530:vdom1.web-proxy.explicit:value parse error (error -651)
>>> "set" "acct-interim-interval" "0" @ 32821:vdom1.user.radius.radius1:value parse error (error -61)
>>> "set" "source-ip-interface" "" @ 32827:vdom1.user.radius.radius1:value parse error (error -3)
>>> "set" "tertiary-server" "" @ 32847:vdom1.user.radius.radius1:value parse error (error -257)

This is expected behavior, and the error does not have any impact on device performance.