perl Build.PL
Could not get valid metadata. Error is: Invalid metadata structure. 
Errors: License 'Artistic_2_0' is invalid (license -> Artistic_2_0) 
[Validation: 2] at 
/usr/local/perl5/perlbrew/perls/perl5.18.2/lib/site_perl/5.18.2/Module/Build/Base.pm line 4558.

Could not create MYMETA files
Creating new 'Build' script for 'Animal' version '0.01'