error

kedTransfer", "chain_id": 3, "message_identifier": 2755282458377241524, "payment_identifier": 1535375290695, "nonce": 1, "token_network_address": "0x9fe1f19d8c0d2591fd01486e575b44f4220ef241", "token": "0x0f114a1e9db192502e7856309cc899952b3db1ed", "channel_identifier": 135, "transferred_amount": 0, "locked_amount": 3, "recipient": "0x008311788dff04e3c0426a3eb19622b2035ba49d", "locksroot": "0x7ce2d272092b93eee56023e0557fb5d2b03dc77662bee65073edbf4ed894f1c6", "lock": {"type": "Lock", "amount": 3, "expiration": 3919865, "secrethash": "0x3a6898a1a592e0d4d121eb683cd6a455a68dd8edbddfd4d263d39c6380d22a33"}, "target": "0x008311788dff04e3c0426a3eb19622b2035ba49d", "initiator": "0x6738746934688d3b0a28832ab6fb4aff979f7c4a", "fee": 0, "signature": "0xa40be3a45eed6f58ba61055f7fdf79408852b123e7213dc2ad6eee74a76ea81100a20f7b6dd42c362b33edb7348bc587f045bb7edc6ce72ac1cfeaa9c7e31c071b"} room=<Room id="!YNAdfghBaIkadUCCRU:transport03.raiden.network" alias="#raiden_ropsten_0x008311788dff04e3c0426a3eb19622b2035ba49d_0x6738746934688d3b0a28832ab6fb4aff979f7c4a:transport03.raiden.network">
2018-08-27 13:08:12 [debug    ] MESSAGE_DATA                   [raiden.network.transport.matrix] current_user=@0x6738746934688d3b0a28832ab6fb4aff979f7c4a:transport03.raiden.network data={'type': 'Delivered', 'delivered_message_identifier': 2755282458377241524, 'signature': '0xcfd98e237b6b41387ef5d0069d78e77ee0c19997f9c98e0c59297c5cb7b665d536ed80849a83d29fbdafc60d79672d21ed65c6aff1bb503333f40a537177749a1c'}
2018-08-27 13:08:12 [debug    ] STATE CHANGE                   [raiden.raiden_service] node=67387469 state_change=<ReceiveDelivered msgid:2755282458377241524>
2018-08-27 13:08:12 [debug    ] DELIVERED MESSAGE RECEIVED     [raiden.network.transport.matrix] current_user=@0x6738746934688d3b0a28832ab6fb4aff979f7c4a:transport03.raiden.network message_identifier=2755282458377241524 node=67387469 receiver=00831178
2018-08-27 13:08:12 [debug    ] MESSAGE_DATA                   [raiden.network.transport.matrix] current_user=@0x6738746934688d3b0a28832ab6fb4aff979f7c4a:transport03.raiden.network data={'type': 'SecretRequest', 'message_identifier': 16455042680666189131, 'payment_identifier': 1535375290695, 'secrethash': '0x3a6898a1a592e0d4d121eb683cd6a455a68dd8edbddfd4d263d39c6380d22a33', 'amount': 3, 'signature': '0x4ab1fb6906c98c9abddf6cab6a88133bad8e7fa86e3fa1b9a1458bd53903a6145930d9c3d3cdaa8940b770f01db141a74b2aefffa8631e5a79e72087af7b13111b'}
Traceback (most recent call last):
  File "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 349, in _handle_response
    self.call(room._put_event, event)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 307, in call
    return callback(*args, **kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/room.py", line 308, in _put_event
    listener['callback'](self, event)
  File "/home/cosmin/Documents/WORK/GITHUB/raiden/raiden/network/transport/matrix.py", line 483, in _handle_message
    message = message_from_dict(message_dict)
  File "/home/cosmin/Documents/WORK/GITHUB/raiden/raiden/messages.py", line 140, in from_dict
    return klass.from_dict(data)
  File "/home/cosmin/Documents/WORK/GITHUB/raiden/raiden/messages.py", line 543, in from_dict
    expiration=data['expiration'],
KeyError: 'expiration'
2018-08-27T13:08:12Z <Greenlet "Greenlet-0" at 0x7f6f25264a48: <bound method GMatrixClient._handle_response of <raiden_libs.network.matrix.client.GMatrixClient object at 0x7f6f26357978>>({'next_batch': 's1939981_483709_0_1_564_1_1_23428_)> failed with KeyError

2018-08-27 13:08:12 [error    ] Exception thrown during sync   [raiden_libs.network.matrix.client] 
Traceback (most recent call last):
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 151, in listen_forever
    self._sync(timeout_ms)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 311, in _sync
    response = self.api.sync(self.sync_token, timeout_ms, filter=self.sync_filter)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 105, in sync
    api_path=MATRIX_V2_API_PATH)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 70, in _send
    return super()._send(method, path, *args, **kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 670, in _send
    verify=self.validate_cert
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/sessions.py", line 512, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/sessions.py", line 622, in send
    r = adapter.send(request, **kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/adapters.py", line 445, in send
    timeout=timeout
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/connectionpool.py", line 588, in urlopen
    conn = self._get_conn(timeout=pool_timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/connectionpool.py", line 239, in _get_conn
    if conn and is_connection_dropped(conn):
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/connection.py", line 23, in is_connection_dropped
    return wait_for_read(sock, timeout=0.0)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 146, in wait_for_read
    return wait_for_socket(sock, read=True, timeout=timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 107, in poll_wait_for_socket
    return bool(_retry_on_intr(do_poll, timeout))
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 42, in _retry_on_intr
    return fn(timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 105, in do_poll
    return poll_obj.poll(t)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/gevent/select.py", line 268, in poll
    result.event.wait(timeout=timeout)
  File "src/gevent/event.py", line 240, in gevent._event.Event.wait
  File "src/gevent/event.py", line 140, in gevent._event._AbstractLinkable._wait
  File "src/gevent/event.py", line 117, in gevent._event._AbstractLinkable._wait_core
  File "src/gevent/event.py", line 119, in gevent._event._AbstractLinkable._wait_core
  File "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/_greenlet_primitives.py", line 63, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/__greenlet_primitives.pxd", line 35, in gevent.__greenlet_primitives._greenlet_switch
KeyError: 'expiration'
Traceback (most recent call last):
  File "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 151, in listen_forever
    self._sync(timeout_ms)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 311, in _sync
    response = self.api.sync(self.sync_token, timeout_ms, filter=self.sync_filter)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 105, in sync
    api_path=MATRIX_V2_API_PATH)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 70, in _send
    return super()._send(method, path, *args, **kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 670, in _send
    verify=self.validate_cert
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/sessions.py", line 512, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/sessions.py", line 622, in send
    r = adapter.send(request, **kwargs)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/requests/adapters.py", line 445, in send
    timeout=timeout
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/connectionpool.py", line 588, in urlopen
    conn = self._get_conn(timeout=pool_timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/connectionpool.py", line 239, in _get_conn
    if conn and is_connection_dropped(conn):
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/connection.py", line 23, in is_connection_dropped
    return wait_for_read(sock, timeout=0.0)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 146, in wait_for_read
    return wait_for_socket(sock, read=True, timeout=timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 107, in poll_wait_for_socket
    return bool(_retry_on_intr(do_poll, timeout))
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 42, in _retry_on_intr
    return fn(timeout)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/urllib3/util/wait.py", line 105, in do_poll
    return poll_obj.poll(t)
  File "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/gevent/select.py", line 268, in poll
    result.event.wait(timeout=timeout)
  File "src/gevent/event.py", line 240, in gevent._event.Event.wait
  File "src/gevent/event.py", line 140, in gevent._event._AbstractLinkable._wait
  File "src/gevent/event.py", line 117, in gevent._event._AbstractLinkable._wait_core
  File "src/gevent/event.py", line 119, in gevent._event._AbstractLinkable._wait_core
  File "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/_greenlet_primitives.py", line 63, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
  File "src/gevent/__greenlet_primitives.pxd", line 35, in gevent.__greenlet_primitives._greenlet_switch
KeyError: 'expiration'
2018-08-27T13:08:12Z <Greenlet "Greenlet-1" at 0x7f6f25264148: <bound method GMatrixClient.listen_forever of <raiden_libs.network.matrix.client.GMatrixClient object at 0x7f6f26357978>>(30000, None)> failed with KeyError

2018-08-27 13:08:16 [debug    ] Getting channel list           [raiden.api.rest] partner_address=None registry_address=0x445D79052522eC94078Dfccf96d9302775cA5b4E token_address=None
2018-08-27 13:08:16 [info     ] 127.0.0.1 - - [2018-08-27 15:08:16] "GET /api/1/channels HTTP/1.1" 200 1456 0.006758 [raiden.api.rest.pywsgi] 
2018-08-27 13:08:16 [debug    ] new block                      [raiden.tasks] number=3919846
2018-08-27 13:08:16 [debug    ] STATE CHANGE                   [raiden.raiden_service] node=67387469 state_change=<Block 3919846>
2018-08-27 13:08:21 [debug    ] Getting channel list           [raiden.api.rest] partner_address=None registry_address=0x445D79052522eC94078Dfccf96d9302775cA5b4E token_address=None
2018-08-27 13:08:21 [info     ] 127.0.0.1 - - [2018-08-27 15:08:21] "GET /api/1/channels HTTP/1.1" 200 1456 0.008600 [raiden.api.rest.pywsgi] 
2018-08-27 13:08:23 [debug    ] new block                      [raiden.tasks] number=3919847
2018-08-27 13:08:23 [debug    ] STATE CHANGE