[dsc] get perl error // Can't call method "filter"

[Stefan Sabolowitsch]

Hi all,
with latest perl version on FreeBSD 10 i get this perl error.

Can't call method "filter" on unblessed reference at /usr/local/lib/perl5/site_perl/5.16/DSC/grapher.pm line 20.

Any help here ?

regards
Stefan