Per the GLEP, upstream maintainer in metadata.xml must have a <name/> specified. Please add the missing name.
commit 3ef33cebfdaf4226af3c10aa2ecaf2a232e192b5 Author: Alon Bar-Lev <alonbl@gentoo.org> AuthorDate: Sun May 8 06:13:16 2016 Commit: Alon Bar-Lev <alonbl@gentoo.org> CommitDate: Sun May 8 06:13:16 2016 app-laptop/laptop-mode-tools: add name to maintainer Bug: 582374 Package-Manager: portage-2.2.26