>>> Updating Portage cache: 100%
* An update to portage is available. It is _highly_ recommended
* that you update portage now, before any other packages are updated.
* Please do so and then update ALL of your configuration files.
ks355128 ~ # emerge -v portage
Calculating dependencies ...done!
>>> emerge (1 of 15) sys-apps/sandbox-1.2.18.1-r2 to /
!!! No package digest file found: /usr/portage/sys-apps/sandbox/files/digest-sandbox-1.2.18.1-r2
!!! Type "ebuild foo.ebuild digest" to generate it.