I am totally new to PERL, however was able to make install sympa 6.2.15. after installing about 50 PERL modules (excepting Crypt::SMIME due to an unknown libcrypto issue)
When running the wizard to define some required parameters that can't be guessed
/home/sympa/bin/sympa_wizard.pl
output: Can't use an undefined value as a HASH reference at /home/sympa/bin/Conf.pm line 207.
%{$config_loading_result->{'numbered_config'}};