Software error:

Can't locate HTML/Entities.pm in @INC (you may need to install the HTML::Entities module) (@INC entries checked: . /usr/local/lib/perl5/site_perl/mach/5.42 /usr/local/lib/perl5/site_perl /usr/local/lib/perl5/5.42/mach /usr/local/lib/perl5/5.42) at /usr/local/lib/perl5/site_perl/CGI.pm line 2230.

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