Hi all, I'm trying to upgrade my Koha version...but got stopped at the following: root@Pine:~# sudo apt-get install koha-common Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: koha-common : Depends: libnet-oauth2-authorizationserver-perl but it is not going to be installed E: Unable to correct problems, you have held broken packages. root@Pine:~# current server: Server information Koha version: 17.05.05.000 OS version ('uname -a'): Linux Pine 3.16.0-4-686-pae #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19) i686 Perl interpreter: /usr/bin/perl Perl version: 5.020002 Perl @INC: /usr/share/koha/lib /etc/perl /usr/local/lib/i386-linux-gnu/perl/5.20.2 /usr/local/share/perl/5.20.2 /usr/lib/i386-linux-gnu/perl5/5.20 /usr/share/perl5 /usr/lib/i386-linux-gnu/perl/5.20 /usr/share/perl/5.20 /usr/local/lib/site_perl . MySQL version: mysql Ver 14.14 Distrib 5.5.60, for debian-linux-gnu (i686) using readline 6.3 Apache version: Server version: Apache/2.4.10 (Debian) Memcached: Servers: undefined | Namespace: koha | Status: unknown | Config read from: Nowhere Note that the right place to define the memcached config is in your $KOHA_CONF file. Currently you do not have a valid memcached configuration defined. | Effective caching method: Cache::Memory Zebra version: Zebra 2.0.59 (C) 1994-2014, Index Data 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: c00bfddbf0f3608340d61298acc61dafb167f9b2 Using ICU My Googling skills have failed me and I couldn't find the "dummies" version of how to fix this ? Am I missing a repository ? If so ...what is the correct command to add it ?/ Thank you -S