ABSTRACT_FROM
         Name of the file that contains the package description. MakeM
+aker
         looks for a line in the POD matching /^($package\s-\s)(.*)/. 
+This is
         typically the first line in the "=head1 NAME" section. $2 bec
+omes the
         abstract.
[download]

Perhaps your POD, while present, just doesn't match what it's expecting?

Update: Oop, I should've mentioned that was from the docs for ExtUtils::MakeMaker.