CentOS - Apr 2015 - Firewall-config NetworkManager Problem (Centos-7( 1))

Hello

I installed the Firewall-config on a new system and have bad Errors

The firewall-config brake with a error line 53 can't load NetworkManager
and on a reboot I have this Message.

ABRT hat 1 Fehler festgestellt. (F?r weitere Informationen: abrt-cli list --
since 1428305986)
[root at ipa1 ~]# abrt-cli list --since 1428305986
id 659c6c2d4ec4cc75b8e2156b5be69375e551b82a
reason:         firewall-config:34:<module>:ImportError: cannot import
name
NetworkManager
time:           Mo 06 Apr 2015 09:19:58 CEST
cmdline:        /usr/bin/python -Es /usr/bin/firewall-config
package:        firewall-config-0.3.9-11.el7
uid:            0 (root)
count:          2
Directory:      /var/tmp/abrt/Python-2015-04-06-09:19:58-3224

Have any a Hint?
-- 
mit freundlichen Gr??en / best Regards,

  G?nther J. Niederwimmer