system-config-display crashes

[jim <mickeyboa sbcglobal net>]

FC10/KDE
Running  system-config-display in FC10/KDE, from terminal, crashes.
below is error message from terminal, there are no error messages in 
/var/log/messages
# system-config-display
Traceback (most recent call last):
  File "/usr/share/system-config-display/xconf.py", line 312, in <module>
    hardware_state = XF86HardwareState(xconfig)
  File "/usr/lib/python2.5/site-packages/rhpxl/xhwstate.py", line 174, in __init__
    self.init_from_xconfig(xconfig)
  File "/usr/lib/python2.5/site-packages/rhpxl/xhwstate.py", line 260, in init_from_xconfig
    if screen.device:
AttributeError: 'NoneType' object has no attribute 'device'