The tag is present in Lintian version 2.104.319. That is the most recent version we know about.
The package repeats the same trigger. There should be no reason to do this and it may lead to confusing results or errors.
For the same "base" type of trigger (e.g. two
the last declaration will be the effective one.
This tag is also triggered if the package has an
for something on which it also declares an
interest. The only (but
rather unlikely) reason to do this is if another package also
interest and this package needs to activate that
other package. If the package is using it for this exact purpose, then
please use a Lintian override to state this.
Please remove any duplicate definitions.