[CentOS] 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. (Für weitere Informationen: abrt-cli list -- since 1428305986) [root@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?