Please regenerate the Manifest.
The BLAKE2B digest is missing only for dpic-2016.07.12.tar.gz which has a fetch failure (which is strange, since the ebuild is *not* mirror restricted).
Why treeclean this? The newest version in the tree can be fetched and builds fine.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b1106f001b94a44e789c2dd8c9aa0d42a200b231 commit b1106f001b94a44e789c2dd8c9aa0d42a200b231 Author: Ulrich Müller <ulm@gentoo.org> AuthorDate: 2018-03-18 06:11:25 +0000 Commit: Ulrich Müller <ulm@gentoo.org> CommitDate: 2018-03-18 06:11:25 +0000 media-gfx/dpic: Remove intermediate version. Remove version 20160712 whose distfile dpic-2016.07.12.tar.gz has a fetch failure. Closes: https://bugs.gentoo.org/642888 Package-Manager: Portage-2.3.24, Repoman-2.3.6 media-gfx/dpic/Manifest | 1 - media-gfx/dpic/dpic-20160712.ebuild | 33 --------------------------------- 2 files changed, 34 deletions(-)