https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=27466 Bug ID: 27466 Summary: Error "Configuration not defined at /usr/share/perl5/Log/Log4perl/Config.pm line 579" while upgrading to koha 20.11.00-1 Change sponsored?: --- Product: Koha Version: 20.11 Hardware: PC OS: Linux Status: NEW Severity: critical Priority: P5 - low Component: Installation and upgrade (command-line installer) Assignee: koha-bugs@lists.koha-community.org Reporter: egpetridis@yahoo.com QA Contact: testopia@bugs.koha-community.org Created attachment 115295 --> https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=115295&action=edit A partial log of commands and errors encountered On Debian GNU/Linux 9.13 (stretch) with Linux 4.9.0-14-amd64 kernel. Tried to upgrade koha to the latest release, using "apt-get upgrade". As koha was held back, I tried "apt-get --with-new-pkgs upgrade". System then proceeded to the upgrade, installing any packages that were not originally required. However upgrade stops producing message "Configuration not defined at /usr/share/perl5/Log/Log4perl/Config.pm line 579." ... Upgrade to 20.06.00.022 done [20:11:08]: Bug 21946 - Add parent type to itemtypes Configuration not defined at /usr/share/perl5/Log/Log4perl/Config.pm line 579. dpkg: error processing package koha-common (--configure): subprocess installed post-installation script returned error exit status 11 Processing triggers for systemd (232-25+deb9u12) ... Errors were encountered while processing: koha-common E: Sub-process /usr/bin/dpkg returned an error code (1) Fuller details attached, -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.