Error after migration from OTRS 3.0.4

[seesiva]

I was following steps outlined in http://doc.otrs.org/3.1/en/html/upgrading.html while upgrading from otrs 3.0.4 to otrs-3.1.19-01.noarch.rpm. after step 10 I'm getting this error. Kindly Advice. I'm Unable to restart apache server too. Using Fedora 3.4.2-1.fc16.i686.PAE



[Tue Feb 11 11:59:29 2014] [error] Cannot find current script '/opt/' at /usr/share/perl5/FindBin.pm line 205\nBEGIN failed--compilation aborted at /usr/share/perl5/FindBin.pm line 205.\nCompilation failed in require at /opt/otrs//Kernel/Config/Defaults.pm line 36.\nBEGIN failed--compilation aborted at /opt/otrs//Kernel/Config/Defaults.pm line 36.\nCompilation failed in require at /opt/otrs//Kernel/Config.pm line 235.\nBEGIN failed--compilation aborted at /opt/otrs//Kernel/Config.pm line 235.\nCompilation failed in require at /opt/otrs/scripts/apache2-perl-startup.pl line 74.\nBEGIN failed--compilation aborted at /opt/otrs/scripts/apache2-perl-startup.pl line 74.\nCompilation failed in require at (eval 2) line 1.\n
[Tue Feb 11 11:59:29 2014] [error] Can't load Perl file: /opt/otrs/scripts/apache2-perl-startup.pl for server 127.0.0.1:0, exiting...