The package contains a control file that is not allowed in this type of package. Some control files are only allowed in either .deb or .udeb packages and must not be included in packages of the other type. You should probably just remove the 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 ea05801. For merge requests, please use the latest version in the Lintian check control-files.