Software error:

Can't locate Crypt/CBC.pm in @INC (you may need to install the Crypt::CBC module) (@INC contains: /usr/lib/jperl/brew.pl/perls/perl-5.28.2/lib/site_perl/5.28.2/x86_64-linux-multi /usr/lib/jperl/brew.pl/perls/perl-5.28.2/lib/site_perl/5.28.2 /usr/lib/jperl/brew.pl/perls/perl-5.28.2/lib/5.28.2/x86_64-linux-multi /usr/lib/jperl/brew.pl/perls/perl-5.28.2/lib/5.28.2) at /home/voltar/html/symmetric.pl line 6.
BEGIN failed--compilation aborted at /home/voltar/html/symmetric.pl line 6.

For help, please send mail to the webmaster (webmaster@voltar.org), giving this error message and the time and date of the error.