Hello Katrin, first of all thanks for your reply.
Below the version of the KOHA and other information about the system. Concerting your second question, we are entering all records by ourselves. Thanks, Koha version: 3.20.04.000 OS version ('uname -a'): Linux library 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24 21:16:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Perl interpreter: /usr/bin/perl Perl version: 5.018002 Perl @INC: /usr/share/koha/lib /etc/perl /usr/local/lib/perl/5.18.2 /usr/local/share/perl/5.18.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.18 /usr/share/perl/5.18 /usr/local/lib/site_perl . MySQL version: mysql Ver 14.14 Distrib 5.5.47, for debian-linux-gnu (x86_64) using readline 6.3 Apache version: Server version: Apache/2.4.7 (Ubuntu) Zebra version: Zebra 2.0.44 (C) 1994-2010, Index Data ApS Zebra is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. SHA1 ID: 419ad759807269fdfa379799a051ed3a551c6541 Using ICU -- View this message in context: http://koha.1045719.n5.nabble.com/KOHA-session-ends-after-adding-10-book-records-tp5875896p5876275.html Sent from the Koha-general mailing list archive at Nabble.com. _______________________________________________ Koha mailing list http://koha-community.org Koha@lists.katipo.co.nz https://lists.katipo.co.nz/mailman/listinfo/koha