I have upgrade my koha instance through several versions. I have re-indexed but I am getting the following message koha@libsys:~$ /usr/share/koha/bin/migration_tools/rebuild_zebra.pl -b -r -x -v given is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 133. when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 134. when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 139. when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 144. Smartmatch is experimental at /usr/share/koha/lib/C4/Search.pm line 533. Useless use of '\'; doesn't escape metacharacter '(' at /usr/share/koha/lib/C4/AuthoritiesMarc.pm line 848. When I do an OPAC search, I am getting No title <http://10.12.1.24/cgi-bin/koha/opac-detail.pl?biblionumber=&query_desc=kw%2 Cwrdl%3A%20warfare> Publication: Availability: No items available Any help would be greatly appreciated Kind Regards, Admire Mutsikiwa (Mr) ICT Manager Libraries University of Zimbabwe Tel:+263-4-303276 Mob:+263782476883 "It is easy to dodge our responsibilities, but we cannot dodge the consequences of dodging our responsibilities." Josiah Charles Stamp <http://www.goodreads.com/author/show/4867406.Josiah_Charles_Stamp>