All reports of debian-watch-file-declares-multiple-versions for the archive. The extended description of this tag is:
The debian/watch file in this package contains multiple lines starting with version=. There should be only one version declaration in a watch file, on the first non-comment line of the file.
Refer to the uscan(1) manual page for details.
This tag has not been emitted in any package tested by Lintian.