[Koha] Koha error when upgrading from Ubuntu 9.04 to Ubuntu 9.10

[David Lo]

Hi All.
I have got an issue with my koha installation.
I have just upgraded from Ubuntu 9.04 to Ubuntu 9.10 but i can't seem to get koha working now.
When i get to my koha installation i am getting the below errors.
I am currently using koha 3.0.3.
Any help will be greatly appreciated.
Thanks
David.

Koha error
The following fatal error has occurred:

Can't load '/usr/local/lib/perl/5.10.0/auto/Net/Z3950/ZOOM/ZOOM.so' for module Net::Z3950::ZOOM: libyaz.so.2: cannot open shared object file: No such file or directory at /usr/lib/perl/5.10/XSLoader.pm line 64.
 at /usr/local/lib/perl/5.10.0/Net/Z3950/ZOOM.pm line 12
Compilation failed in require at /usr/local/lib/perl/5.10.0/ZOOM.pm line 6.
BEGIN failed--compilation aborted at /usr/local/lib/perl/5.10.0/ZOOM.pm line 6.
Compilation failed in require at /usr/share/kohaprod/lib/C4/Context.pm line 85.
BEGIN failed--compilation aborted at /usr/share/kohaprod/lib/C4/Context.pm line 85.
Compilation failed in require at /usr/share/kohaprod/lib/C4/Output.pm line 30.
BEGIN failed--compilation aborted at /usr/share/kohaprod/lib/C4/Output.pm line 30.
Compilation failed in require at /usr/share/kohaprod/intranet/cgi-bin/mainpage.pl line 22.
BEGIN failed--compilation aborted at /usr/share/kohaprod/intranet/cgi-bin/mainpage.pl line 22.
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