Traceback (most recent call last):
  File "c:\work\osaf\chandler\application\Application.py", line 825, in OnIdle
    self.propagateAsynchronousNotifications()
  File "c:\work\osaf\chandler\application\Application.py", line 811, in propagat
eAsynchronousNotifications
    block.synchronizeWidget(useHints=True)
  File "c:\work\osaf\chandler\parcels\osaf\framework\blocks\Block.py", line 818,
 in synchronizeWidget
    IgnoreSynchronizeWidget(True, method, widget, useHints)
  File "c:\work\osaf\chandler\parcels\osaf\framework\blocks\Block.py", line 80,
in IgnoreSynchronizeWidget
    result = method(*args, **kwds)
  File "c:\work\osaf\chandler\parcels\osaf\framework\blocks\calendar\TimedCanvas
.py", line 190, in wxSynchronizeWidget
    timedItems=True))
  File "c:\work\osaf\chandler\parcels\osaf\framework\blocks\calendar\CalendarCan
vas.py", line 1263, in getEventsInRange
    for event in self.generateEventsInRange(date, nextDate, dayItems, timedItems
):
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 258,
in recurringEventsInRange
    for event in masterEvent.getOccurrencesBetween(start, end):
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 1218,
 in getOccurrencesBetween
    return list(master._generateRule(after, before, inclusive))
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 1162,
 in _generateRule
    event = event.getNextOccurrence()
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 1065,
 in getNextOccurrence
    self._createOccurrence(recurrenceID))
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 953,
in _createOccurrence
    return first._createOccurrence(recurrenceID)
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 973,
in _createOccurrence
    self._restoreStamps(event)
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 931,
in _restoreStamps
    stampClass(clonedEvent).add()
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 527,
in add
    self.onStartTimeChanged('set', EventStamp.startTime.name)
  File "c:\work\osaf\chandler\parcels\osaf\pim\calendar\Calendar.py", line 731,
in onStartTimeChanged
    Remindable(self).dismissReminder(existing)
  File "c:\work\osaf\chandler\parcels\osaf\pim\reminders.py", line 244, in dismi
ssReminder
    assert dontExpire or len(reminder.reminderItems) == 0
AssertionError