The tag is present in Lintian version 2.113.26. That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit a1e47cb. For merge requests, please use the latest version in the Lintian check lintian.
Unpacking the contents of the
member of this installable package produced the listed error.
It probably means something is broken or the package was somehow constructed in a strange way.