Getting "App crashed" error after deploying Django app on Heroku

I am getting these following two errors after deploying my Django application on Heroku:

2019-07-21T22:09:21.799421+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=myapp.herokuapp.com request_id=aa4c90d2-f8de-4244-abf8-1cfdde758a7f fwd="188.253.234.137" dyno= connect= service= status=503 bytes= protocol=https
2019-07-21T22:09:22.317447+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=myapp.herokuapp.com request_id=fbe1e39e-5f98-4439-8031-848937843144 fwd="188.253.234.137" dyno= connect= service= status=503 bytes= protocol=https