2009-10-16 12:02:10 ERROR zen.Events: Error processing transform on Event Class /zport/dmd/Events/Status/Ping
Traceback (most recent call last):
  File "/usr/local/zenoss/zenoss/Products/ZenEvents/EventClassInst.py", line 89, in applyTransform
    exec(eventclass.transform, variables_and_funcs)
  File "<string>", line 107, in ?
AttributeError: 'NoneType' object has no attribute 'getPingStatus'