Me too:
2013-08-23 11:22:37,268 ERROR zen.hub: Unhandled exception in zenhub service Products.ZenHub.services.PingPerformanceConfig.PingPerformanceConfig: 0x99e353
Traceback (most recent call last):
File "/opt/zenoss/Products/ZenCollector/services/config.py", line 116, in _wrapFunction
return functor(*args, **kwargs)
File "/opt/zenoss/Products/ZenCollector/services/config.py", line 233, in _createDeviceProxies
proxy = self._createDeviceProxy(device)
File "/opt/zenoss/Products/ZenHub/services/PingPerformanceConfig.py", line 165, in _createDeviceProxy
self._getComponentConfig(iface, perfServer, proxy.monitoredIps)
File "/opt/zenoss/Products/ZenHub/services/PingPerformanceConfig.py", line 102, in _getComponentConfig
for ipAddress in iface.ipaddresses():
File "/opt/zenoss/Products/ZenRelations/ToManyRelationship.py", line 71, in __call__
return self.objectValuesAll()
File "/opt/zenoss/Products/ZenRelations/ToManyRelationship.py", line 174, in objectValuesAll
return list(self.objectValuesGen())
File "/opt/zenoss/Products/ZenRelations/ToManyRelationship.py", line 179, in <genexpr>
return (obj.__of__(self) for obj in self._objects)
File "/opt/zenoss/lib/python2.7/_abcoll.py", line 532, in __iter__
v = self[i]
File "/opt/zenoss/lib/python2.7/UserList.py", line 31, in __getitem__
def __getitem__(self, i): return self.data[i]
File "/opt/zenoss/lib/python/ZODB/Connection.py", line 860, in setstate
self._setstate(obj)
File "/opt/zenoss/lib/python/ZODB/Connection.py", line 901, in _setstate
p, serial = self._storage.load(obj._p_oid, '')
File "/opt/zenoss/lib/python/relstorage/storage.py", line 476, in load
raise POSKeyError(oid)
POSKeyError: 0x99e353