This package claims to be for an unknown architecture. The architecture should be one of the values supported by dpkg or one of the special values "all" or "any". The special value "source" is only used in *.changes files and does not make sense in a binary package or a *.dsc file.
The tag is present in Lintian version
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 ca97c3a. For merge requests, please use the latest version in the Lintian check fields/architecture.