Мой бот discord.py работал на heroku, и резко перестал работать(причины этого я не обнаружил)

Логи хероку:

• 2020-07-30T19:19:18.887224+00:00 app[worker.1]: File
  "/app/.heroku/python/lib/python3.8/site-packages/discord/channel.py", line 131, in _update

• 2020-07-30T19:19:18.887370+00:00 app[worker.1]:
  self._fill_overwrites(data) 2

• 020-07-30T19:19:18.887370+00:00 app[worker.1]: File
  "/app/.heroku/python/lib/python3.8/site-packages/discord/abc.py",
  line 294, in _fill_overwrites

• 2020-07-30T19:19:18.887596+00:00 app[worker.1]:
  self._overwrites.append(_Overwrites(id=overridden_id, **overridden))

• 2020-07-30T19:19:18.887596+00:00 app[worker.1]: TypeError: new() got an unexpected keyword argument 'deny_new'

• 2020-07-30T19:19:18.966356+00:00 heroku[worker.1]: Process exited
  with status 1

• 2020-07-30T19:19:19.030543+00:00 heroku[worker.1]: State changed from up to crashed 2020-07-

• 30T19:19:21.000000+00:00 app[api]: Build succeeded 2020-07-

• 30T19:20:32.728960+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/" host=roflbot1.herokuapp.com
  request_id=f94ed720-4568-4a38-9289-5713d77c30ab fwd="37.229.32.47"
  dyno= connect= service= status=503 bytes= protocol=https 2020-07-

• 30T19:20:33.304829+00:00 heroku[router]: at=error code=H14
  desc="No web processes running" method=GET path="/favicon.ico"
  host=roflbot1.herokuapp.com
  request_id=f7666615-614b-4385-9dbc-6ba85e5824a8 fwd="37.229.32.47"
  dyno= connect= service= status=503 bytes= protocol=https