Issues Running `systemctl restart` Command to OpenShift Master Services

Issue

• atomic-openshift-master.service fails to start or restart with error messages
• OpenShift master errors in systemctl status or journalctl -xe referring to yaml issues:

Jul 19 16:51:35 master.example.com atomic-openshift-master[69659]: F0719 16:51:35.928627   69659 start_master.go:100] yaml: line 5: did not find expected key
Jul 19 16:51:35 master.example.com systemd[1]: atomic-openshift-master.service: main process exited, code=exited, status=255/n/a
Jul 19 16:51:35 master.example.com systemd[1]: Failed to start Atomic OpenShift Master.

$ systemctl status atomic-openshift-master.service
● atomic-openshift-master.service - Atomic OpenShift Master
   Loaded: loaded (/usr/lib/systemd/system/atomic-openshift-master.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Tue 2016-07-19 16:51:36 EDT; 12s ago
     Docs: https://github.com/openshift/origin
  Process: 69659 ExecStart=/usr/bin/openshift start master --config=${CONFIG_FILE} $OPTIONS (code=exited, status=255)
 Main PID: 69659 (code=exited, status=255)