All reports of upstream-metadata-yaml-invalid for the archive. The extended description of this tag is:
The DEP 12 metadata file is not well formed. The formatting need to be adjusted to match the YAML specification.
Refer to http://dep.debian.net/deps/dep12/ for details.
Severity: normal, Certainty: certain
Check: upstream-metadata, Type: source
This tag has not been emitted in any package tested by Lintian.