Pack the distribution with a proper command such as "make dist" and "./Build dist", or use a distribution builder such as Dist::Zilla, Dist::Milla, Minilla.
Add a META.yml to the distribution. Your buildtool should be able to autogenerate it.
This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.
|Statistics::PCA||A simple Perl implementation of Principal Component Analysis.||0.000001||metacpan|