Error in named configuration:
/etc/pki/dnssec-keys//named.dnssec.keys:1: open: /etc/pki/dnssec-keys//production/bg.conf: file not found

The update was not a fortunate one and an official fix will probably be issued soon. A quick way is to disable the DNSSEC options in named. Edit /etc/named.conf and comment the following lines:

dnssec-enable yes;
dnssec-validation yes;
dnssec-lookaside . trust-anchor dlv.isc.org.;

and at the bottom:

include "/etc/pki/dnssec-keys//named.dnssec.keys";
include "/etc/pki/dnssec-keys//dlv/dlv.isc.org.conf";

The DNSSEC features ads digital signatures to your DNS queries. If you need this, keep searching for other solutions.