gud day guys. in opac mode, after entering a criteria to search, it displays no data. on the log file opac-error-log, this lines appear: [Mon May 22 14:40:06 2006] [error] [client 10.0.2.134] DBD::mysql::st fetchrow_hashref failed: fetch() without execute() at /www/Koha/Librarian/modules/C4/SearchMarc.pm line 366., referer: http://opac.tip.edu.ph/cgi-bin/koha/opac-search.pl [Mon May 22 14:40:06 2006] [error] [client 10.0.2.134] DBD::mysql::st execute failed: Unknown column 'biblio.biblionumber' in 'on clause' at /www/Koha/Librarian/modules/C4/SearchMarc.pm line 364., referer: http://opac.tip.edu.ph/cgi-bin/koha/opac-search.pl how can i fix this? tia! eric