sysconfig network sc profile error

Trying to create a generic network sysconfig file for customizing. I get an error after inputing this one liner,


sysconfig create-profile -g network -o sc_network.xml


An unhandled exception occurred.
        AttributeError: "'NoneType' object has no attribute 'type'"
Full traceback data is in the log
Exiting System Configuration Tool. Log is available at:
/system/volatile/sysconfig/sysconfig.log.11871

cat /system/volatile/sysconfig/sysconfig.log.11871

2013-07-11 14:34:43,082   InstallationLogger.sysconfig INFO       Default NIC not determined.                      
2013-07-11 14:34:45,138   InstallationLogger ERROR      An unhandled exception occurred.                 
Traceback (most recent call last):
  File "/usr/lib/python2.6/vendor-packages/solaris_install/sysconfig/__init__.py", line 606, in do_create_profile