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Discussion on: Causes of Heroku H10-App Crashed Error And How To Solve Them

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Harish Garg

Ran into same error message. app was deploying successfully but not opening.
Issue was I had .env as a soft link to a file outside the working folder (Ubuntu)
restored the actual file and it started working.
Somehow, if a file is needed by Heroku and it's a soft link and not the actual file, it breaks the app.
Something to keep an eye on in future.