when i tried to run the env KOHA_CONF=/etc/koha/koha-conf.xml PERL5LIB=/usr/share/koha/lib /usr/share/koha/bin/migration_tools/ rebuild_zebra.pl -b -r -v it give me error Unable to load Koha::NorwegianPatronDB at /usr/share/koha/lib/C4/Members.pm line 49. Warning: You are running this script as the user 'root'. If this is intentional you must explicitly specify this using the -run-as-root switch Please do '/usr/share/koha/bin/migration_tools/rebuild_zebra.pl --help' to see usage. im using ubuntu 12.04 koha 3.18 downloaded package help please -- regina