在red hat9中修改了网络配置，点保存时出现以下错误！！

peter118

Component: redhat-config-network
Version: 1.2.0
Summary: TB /usr/lib/python2.2/site-packages/rhpl/Conf.py:473:__delitem__:KeyError
Traceback (most recent call last):
  File "/usr/src/build/226257-noarch/install/usr/share/redhat-config-network/netconfpkg/gui/maindialog.py", line 579, in on_applyButton_clicked
  File "/usr/src/build/226257-noarch/install/usr/share/redhat-config-network/netconfpkg/gui/maindialog.py", line 291, in save
  File "/usr/src/build/226257-noarch/install/usr/share/redhat-config-network/netconfpkg/gui/maindialog.py", line 324, in saveProfiles
  File "/usr/src/build/226257-noarch/install/usr/share/redhat-config-network/netconfpkg/NCProfileList.py", line 349, in save
  File "/usr/lib/python2.2/site-packages/rhpl/Conf.py", line 473, in __delitem__
    del self.vars[varname]
KeyError

Local variables in innermost frame:
varname:
self: <rhpl.Conf.ConfEHosts instance at 0x873e634>

不知是何故，原来好好的，还是第一次碰到这样的问题！！
请高手赐教！！