本人安装bugzilla（cgi写的）时候,出现以下错误

sw198002

帮本人分析一下错误，本人感激不尽
Software error:
[Mon May 31 11:36:15 2004] Token.pm: [Mon May 31 11:36:15 2004] Token.pm: [Mon May 31 11:36:15 2004] Format.pm: Can't locate Date/Format.pm in @INC (@INC contains: . /usr/lib/perl5/5.6.0/i386-linux /usr/lib/perl5/5.6.0 /usr/lib/perl5/site_perl/5.6.0/i386-linux /usr/lib/perl5/site_perl/5.6.0 /usr/lib/perl5/site_perl /etc/httpd/ /etc/httpd/lib/perl) at Token.pm line 33. [Mon May 31 11:36:15 2004] Token.pm: [Mon May 31 11:36:15 2004] Token.pm: BEGIN failed--compilation aborted at Token.pm line 33. [Mon May 31 11:36:15 2004] Token.pm: Compilation failed in require at Token.pm line 611. BEGIN failed--compilation aborted at CGI.pl line 611.
For help, please send mail to the webmaster (root@localhost), giving this error message and the time and date of the error.