No POD found for 07_callback.t. Time to read the source?
07_callback.t
To install POE::Component::Generic, copy and paste the appropriate command in to your terminal.
cpanm
cpanm POE::Component::Generic
CPAN shell
perl -MCPAN -e shell install POE::Component::Generic
For more information on module installation, please visit the detailed CPAN module installation guide.