Version-Release number of selected component:
firewall-config-0.3.13-5.fc22

Additional info:
reporter:       libreport-2.5.1
cmdline:        /usr/bin/python -Es /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         4.0.1-300.fc22.x86_64
runlevel:       N 5
type:           Python
uid:            1001

Truncated backtrace:
firewall-config:2058:onChangeZone:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 2058, in onChangeZone
    for item in forward_ports:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
masquerade: True
name: 'xmpp-server'
_services: []
sources: []
default: False
interfaces: []
args: (<TreeSelection object at 0x7fe9500cee60 (GtkTreeSelection at 0x28b98d0)>,)
iter: None
self: <__main__.FirewallConfig object at 0x7fe9500fd050>
item: ['1234', 'tcp']
builtin: False
icmpblocks: []
rules: []
services: ['dhcpv6-client', 'mdns', 'nfs', 'ssh', 'vnc-server', 'xmpp-bosh', 'xmpp-client', 'xmpp-local', 'xmpp-server']
selected_zone: 'public'
ports: [['1234', 'tcp']]
forward_ports: None

Potential duplicate: bug 1206792