"$full_path" requires explicit package name......

##</code><code>##

 sub Populate {
       my( $self, $args ) = @_;

       my $flag = delete $args->{-flag};
          if( defined $flag ) {
           # handle -flag => xxx which can only be done at create
           # time the delete above ensures that new() does not try
           # and do  $self->configure( -flag => xxx );
               }
......
.......