federation_sender - 2018-07-26 21:27:48,334 - synapse.federation.transaction_queue - 335 - ERROR - - Error sending presence states to servers
Traceback (most recent call last):
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/federation/transaction_queue.py", line 333, in send_presence
    yield self._process_presence_inner(list(states_map.values()))
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/util/metrics.py", line 55, in measured_func
    r = yield func(self, *args, **kwargs)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/federation/transaction_queue.py", line 348, in _process_presence_inner
    hosts_and_states = yield get_interested_remotes(self.store, states, self.state)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/handlers/presence.py", line 1314, in get_interested_remotes
    hosts = yield state_handler.get_current_hosts_in_room(room_id)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/state.py", line 182, in get_current_hosts_in_room
    joined_hosts = yield self.store.get_joined_hosts(room_id, entry)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/storage/roommember.py", line 456, in _get_joined_hosts
    joined_hosts = yield cache.get_destinations(state_entry)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/storage/roommember.py", line 717, in get_destinations
    event = yield self.store.get_event(event_id)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
    result = g.send(result)
  File "/home/matrix/.synapse/local/lib/python2.7/site-packages/synapse/storage/events_worker.py", line 104, in get_event
    raise SynapseError(404, "Could not find event %s" % (event_id,))
SynapseError: 404: Could not find event $redacted:matrix.org