All reports of upstream-metadata-file-is-missing for the archive. The extended description of this tag is:
This source package is not Debian-native but it does not have a debian/upstream/metadata file.
The Upstream MEtadata GAthered with YAml (UMEGAYA) project is an effort to collect meta-information about upstream projects from any source package. This file is in YAML format and it is used in to feed the data in the UltimateDebianDatabase. For example, it can contains the way the authors want their software be cited in publications and some bibliographic references about the software.
Please add a debian/upstream/metadata file.
Refer to https://dep-team.pages.debian.net/deps/dep12/ and https://wiki.debian.org/UpstreamMetadata for details.
This tag is experimental. Please file a bug report if the tag seems wrong.
This tag has not been emitted in any package tested by Lintian.