Apache2.pm

I’ve installed RT to FC4 (mod_perl2). All dependences are ok. But when I
start apache it outputs:

[Tue Jan 31 02:46:35 2006] [error] Can’t locate Apache2.pm in @INC (@INC
contains: /usr/local/rt3/local/lib /usr/local/rt3/lib
/usr/lib/perl5/site_perl/5.8.6/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.4/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5
/usr/lib/perl5/site_perl/5.8.4 /usr/lib/perl5/site_perl/5.8.3
/usr/lib/perl5/site_perl
/usr/lib/perl5/vendor_perl/5.8.6/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.4/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.3/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5
/usr/lib/perl5/vendor_perl/5.8.4 /usr/lib/perl5/vendor_perl/5.8.3
/usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.6/i386-linux-thread-multi
/usr/lib/perl5/5.8.6 . /etc/httpd) at (eval 193) line 3.\n

What should I do? Thanks.