Cannot unbridge direct chat

[f4814]

I get this error: (I think I have encountered a similar error while doing long backfills, but I'm not sure)

[2020-07-07 21:01:11,264] [[email protected]] Unhandled error while handling command unbridge  from @fabian:intothecyber.space (ref: 1594143567)
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 357, in ensure_joined
    await self.join_room(room_id, max_retries=0)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 75, in wrapper
    return await __method(*args, **kwargs)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/client/api/rooms.py", line 253, in join_room
    content=content, query_params=query_params)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 203, in request
    return await self._send(method, endpoint, content, query_params, headers or {})
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 145, in _send
    errcode=errcode, message=message)
mautrix.errors.request.MForbidden: You are not invited to this room.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/commands/handler.py", line 365, in handle
    await self._run_handler(handler, evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix_telegram/commands/handler.py", line 130, in _run_handler
    return await handler(evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/commands/handler.py", line 253, in __call__
    return await self._handler(evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix_telegram/commands/portal/unbridge.py", line 92, in unbridge
    return await evt.reply(f"Please confirm unbridging chat \"{portal.title}\" from room "
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 86, in wrapper
    await __self.ensure_joined(room_id)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 361, in ensure_joined
    raise IntentError(f"Failed to join room {room_id} as {self.mxid}") from e
mautrix.errors.base.IntentError: Failed to join room !bMvSThCUlnHhKPKOfv:intothecyber.space as @telegrambot:intothecyber.space
[2020-07-07 21:01:11,279] [[email protected]] Exception in Matrix event handler
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 357, in ensure_joined
    await self.join_room(room_id, max_retries=0)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 75, in wrapper
    return await __method(*args, **kwargs)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/client/api/rooms.py", line 253, in join_room
    content=content, query_params=query_params)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 203, in request
    return await self._send(method, endpoint, content, query_params, headers or {})
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 145, in _send
    errcode=errcode, message=message)
mautrix.errors.request.MForbidden: You are not invited to this room.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/commands/handler.py", line 365, in handle
    await self._run_handler(handler, evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix_telegram/commands/handler.py", line 130, in _run_handler
    return await handler(evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/commands/handler.py", line 253, in __call__
    return await self._handler(evt)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix_telegram/commands/portal/unbridge.py", line 92, in unbridge
    return await evt.reply(f"Please confirm unbridging chat \"{portal.title}\" from room "
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 86, in wrapper
    await __self.ensure_joined(room_id)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 361, in ensure_joined
    raise IntentError(f"Failed to join room {room_id} as {self.mxid}") from e
mautrix.errors.base.IntentError: Failed to join room !bMvSThCUlnHhKPKOfv:intothecyber.space as @telegrambot:intothecyber.space
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 357, in ensure_joined
    await self.join_room(room_id, max_retries=0)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 75, in wrapper
    return await __method(*args, **kwargs)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/client/api/rooms.py", line 253, in join_room
    content=content, query_params=query_params)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 203, in request
    return await self._send(method, endpoint, content, query_params, headers or {})
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/api/http.py", line 145, in _send
    errcode=errcode, message=message)
mautrix.errors.request.MForbidden: You are not invited to this room.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/as_handler.py", line 147, in try_handle
    await handler_func(event)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/matrix.py", line 376, in int_handle_event
    await self.handle_message(evt.room_id, evt.sender, evt.content, evt.event_id)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/matrix.py", line 290, in handle_message
    is_management, is_portal=portal is not None)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/bridge/commands/handler.py", line 371, in handle
    await evt.reply("Unhandled error while handling command:\n\n"
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 86, in wrapper
    await __self.ensure_joined(room_id)
  File "/var/lib/mautrix-telegram/lib/python3.7/site-packages/mautrix/appservice/api/intent.py", line 361, in ensure_joined
    raise IntentError(f"Failed to join room {room_id} as {self.mxid}") from e
mautrix.errors.base.IntentError: Failed to join room !bMvSThCUlnHhKPKOfv:intothecyber.space as @telegrambot:intothecyber.space