Dear All, I am running koha17.05.04 on Lubuntu i386. WHen I try to upgrade koha, I am getting the following error. Can you please help me what is missing here? root@GSS-LIBRARY-SERVER:/home/gss-library-server# 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 Depends: libsearch-elasticsearch-perl but it is not going to be installed Depends: perl-modules-5.26 but it is not installable or libtest-simple-perl (>= 1.302073) E: Unable to correct problems, you have held broken packages.