Dear All, I installed koha-common (3.14) on ubuntu 14.04 success but when I try to index catalog by importing marc file I got some error as below and I could not searching $ sudo koha-rebuild-zebra -v -f library 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 534. Useless use of '\'; doesn't escape metacharacter '(' at /usr/share/koha/lib/C4/AuthoritiesMarc.pm line 848. Pls. let see attached marc file for importing. Intranet Log file: [Wed May 21 15:44:19.532114 2014] [cgi:error] [pid 47015] [client 192.168.1.15:53392] AH01215: [Wed May 21 15:44:19 2014] DateUtils.pm: given is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 133., referer: http://192.168.1.53:8080/cgi-bin/koha/tools/manage-marc-import.pl [Wed May 21 15:44:19.532511 2014] [cgi:error] [pid 47015] [client 192.168.1.15:53392] AH01215: [Wed May 21 15:44:19 2014] DateUtils.pm: when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 134., referer: http://192.168.1.53:8080/cgi-bin/koha/tools/manage-marc-import.pl [Wed May 21 15:44:19.532784 2014] [cgi:error] [pid 47015] [client 192.168.1.15:53392] AH01215: [Wed May 21 15:44:19 2014] DateUtils.pm: when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 139., referer: http://192.168.1.53:8080/cgi-bin/koha/tools/manage-marc-import.pl [Wed May 21 15:44:19.533050 2014] [cgi:error] [pid 47015] [client 192.168.1.15:53392] AH01215: [Wed May 21 15:44:19 2014] DateUtils.pm: when is experimental at /usr/share/koha/lib/Koha/DateUtils.pm line 144., referer: http://192.168.1.53:8080/cgi-bin/koha/tools/manage-marc-import.pl [Wed May 21 15:44:19.972496 2014] [cgi:error] [pid 47015] [client 192.168.1.15:53392] AH01215: [Wed May 21 15:44:19 2014] Search.pm: Smartmatch is experimental at /usr/share/koha/lib/C4/Search.pm line 534., referer: http://192.168.1.53:8080/cgi-bin/koha/tools/manage-marc-import.pl