Koha OPAC error

Hi

One question. We presume there might missing some template files.
Please indicate the possible solution.

After installed Koha 2.2.3 with Fedora Core 4. While enter OPAC
http://lit185.lacc.fju.edu.tw:8080
It redirected to
http://lit185.lacc.fju.edu.tw:8080/cgi-bin/koha/opac-main.pl

The Koha error log presented as :
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] HTML::Template->new() : Cannot open included file /usr/local/koha/opac/htdocs/opac-tmpl/default/en/opac-main.tmpl : file not found. at /usr/lib/perl5/site_perl/5.8.6/HTML/Template.pm line 1616
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] \tHTML::Template::_init_template('HTML::Template=HASH(0x9df3a14)') called at /usr/lib/perl5/site_perl/5.8.6/HTML/Template.pm line 1189
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] \tHTML::Template::_init('HTML::Template=HASH(0x9df3a14)') called at /usr/lib/perl5/site_perl/5.8.6/HTML/Template.pm line 1083
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] \tHTML::Template::new('HTML::Template', 'filename', '/usr/local/koha/opac/htdocs/opac-tmpl/default/en/opac-main.tmpl', 'die_on_bad_params', 0, 'global_vars', 1, 'path', 'ARRAY(0xa61e6c8)', ...) called at /usr/local/koha/intranet/modules/C4/Output.pm line 77
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] \tC4::Output::gettemplate('opac-main.tmpl', 'opac', 'CGI=HASH(0x9ddecd4)') called at /usr/local/koha/intranet/modules/C4/Auth.pm line 114
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] \tC4::Auth::get_template_and_user('HASH(0xa636024)') called at /usr/local/koha/opac/cgi-bin/opac-main.pl line 32
[Thu Sep 15 16:59:45 2005] [error] [client 140.136.81.146] Premature end of script headers: opac-main.pl
[Thu Sep 15 16:59:46 2005] [error] [client 140.136.81.146] File does not exist: /usr/local/koha/opac/htdocs/favicon.ico