i am struggling to install koha on ubuntu/lubuntu 12.04 64 bit version. Web installation is successfull also i could add few records but OPAC search does not work. Here are few last lines of intranet log and opac log. Intranet log mainpage.pl: DBD::mysql::st fetchrow_hashref failed: fetch() without execute() at /usr/share/koha/lib/C4/Languages.pm line 355. [Sun Oct 20 19:10:11 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:10:11 2013] mainpage.pl: DBD::mysql::st execute failed: Table 'koha_library.language_descriptions' doesn't exist at /usr/share/koha/lib/C4/Languages.pm line 360. [Sun Oct 20 19:10:11 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:10:11 2013] mainpage.pl: DBD::mysql::st fetchrow_hashref failed: fetch() without execute() at /usr/share/koha/lib/C4/Languages.pm line 361. [Sun Oct 20 19:10:11 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:10:11 2013] mainpage.pl: DBD::mysql::st execute failed: Table 'koha_library.language_descriptions' doesn't exist at /usr/share/koha/lib/C4/Languages.pm line 354. opac log opac-search.pl: Use of uninitialized value $_ in pattern match (m//) at /usr/share/koha/opac/cgi-bin/opac/opac-search.pl line 39., referer: http://localhost:6666/cgi-bin/koha/opac-search.pl?q=radio [Sun Oct 20 19:39:21 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:39:21 2013] opac-search.pl: Use of uninitialized value $limit_desc in concatenation (.) or string at /usr/share/koha/opac/cgi-bin/opac/opac-search.pl line 631., referer: http://localhost:6666/cgi-bin/koha/opac-search.pl?q=radio [Sun Oct 20 19:39:23 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:39:23 2013] opac-search.pl: Use of uninitialized value $_ in pattern match (m//) at /usr/share/koha/opac/cgi-bin/opac/opac-search.pl line 34., referer: http://localhost:6666/cgi-bin/koha/opac-search.pl?q=radio [Sun Oct 20 19:39:23 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:39:23 2013] opac-search.pl: Use of uninitialized value $_ in pattern match (m//) at /usr/share/koha/opac/cgi-bin/opac/opac-search.pl line 39., referer: http://localhost:6666/cgi-bin/koha/opac-search.pl?q=radio [Sun Oct 20 19:39:23 2013] [error] [client 127.0.0.1] [Sun Oct 20 19:39:23 2013] opac-search.pl: Use of uninitialized value $limit_desc in concatenation (.) or string at /usr/share/koha/opac/cgi-bin/opac/opac-search.pl line 631., referer: http://localhost:6666/cgi-bin/koha/opac-search.pl?q=radio can some one help? reg Sunita