Traceback (most recent call last):
  File "/usr/sbin/system-config-services", line 665, in on_btnStop_clicked
    self.get_service_action_results(self.text_in_row, "stop")
  File "/usr/sbin/system-config-services", line 622, in get_service_action_results
    results = self.services[servicename].action(action_type)
  File "/usr/share/system-config-services/servicemethods.py", line 229, in action
    return (1, _("%s failed. The error was: %s") %
NameError: global name 'servicename' is not defined