Pcore::Ext::Lib::core::Util
# no selection panel xtype => $type{'/pcore/core/Util/no_selection'}, text => l10n('No campaign selected'),
To install Pcore::Ext, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Pcore::Ext
CPAN shell
perl -MCPAN -e shell install Pcore::Ext
For more information on module installation, please visit the detailed CPAN module installation guide.