I had a similar bug. When the bug occurred I had a ServerName listed in my /etc/cups/client.conf that was nonexistent/inaccessible . I commented out the SeverName line in the client.conf file and this bug disappeared.
I had a similar bug. When the bug occurred I had a ServerName listed in my /etc/cups/ client. conf that was nonexistent/ inaccessible . I commented out the SeverName line in the client.conf file and this bug disappeared.