[3.1dev] Outgoing bcc warning: empty lookup result

Freshly installed system based on "The Perfect Server - Debian 8.4 Jessie (Apache2, BIND, Dovecot, ISPConfig 3.1)" with MySQL (not MariaDB)

Have an email box without outgoing copy. Every time when an email is sent there is an extra (annoying) entry in the syslog

Aug 26 10:36:24 myserver postfix/proxymap[26699]: warning: table "mysql:/etc/postfix/mysql-virtual_outgoing_bcc.cf": empty lookup result for: "info@mydomain.com" -- ignored