heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" dyno= connect= service= status=503 bytes= protocol=https code example

Example: Heroku H10-App Crashed Error

Heroku H10-App Crashed Error

"https://dev.to/lawrence_eagles/causes-of-heroku-h10-app-crashed-error-and-how-to-solve-them-3jnl"