package:zabbix-server-pgsql:1:3.0.4+dfsg-1
Installing new version of config file /etc/init.d/zabbix-server ...
ucfr: Attempt from package zabbix-server-pgsql  to take /etc/zabbix/zabbix_server.conf away from package zabbix-server-mysql
ucfr: Aborting.
dpkg: error processing package zabbix-server-pgsql (--configure):
 subprocess installed post-installation script returned error exit status 4