I get the error below in papertrail. That is all that shows up... Please help.

2022-10-29T18:31:30.754233+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=ab2022inference.herokuapp.com request_id=53bd3588-77ef-4d33-a53e-c20f504158af fwd="128.12.123.162" dyno= connect= service= status=503 bytes= protocol=https