Package: cqrlog Version: 2.5.2-4 CQRLOG seems to be incompatible with mysql-server and require mariadb-server. There is an "Error during connection to database" message displayed on startup and application exits. CQRLOG starts working correctly after running "sudo apt install mariadb-server" (replacing the mysql server with mariadb).
Downstream Ubuntu issue: https://bugs.launchpad.net/ubuntu/+source/cqrlog/+bug/1872002
