package:bacula-director-mysql:(not installed)
Setting up bacula-director-mysql (7.0.5+dfsg-4build1) ...

Creating config file /etc/default/bacula-dir with new version
Processing configuration.../var/lib/dpkg/info/bacula-director-mysql.postinst: 78: .: Can't open /etc/dbconfig-common/bacula-director-mysql.conf
dpkg: error processing package bacula-director-mysql (--configure):
 subprocess installed post-installation script returned error exit status 2