XMLHttpRequest error

[waqadArshad]

How to resolve this?

email-auth >> Initialising Email-Auth server
--- Package Error ---
XMLHttpRequest error.
--- End Package Error ---

--- package Error ---

email-auth >> The remote server is not a valid.
email-auth >> configured server : "https://the-deliverers.herokuapp.com"
--- package Error ---

Also when I open the deployed application on Heroku, I get this error:

Application error
An error occurred in the application and your page could not be served. If you are the application owner, check your logs for details. You can do this from the Heroku CLI with the command
heroku logs --tail

these are the logs:

2021-10-30T18:19:55.761386+00:00 heroku[web.1]: State changed from crashed to starting
2021-10-30T18:19:58.855093+00:00 heroku[web.1]: Starting process with command npm start
2021-10-30T18:19:59.726645+00:00 app[web.1]: bash: npm: command not found
2021-10-30T18:19:59.836647+00:00 heroku[web.1]: Process exited with status 127
2021-10-30T18:20:00.446803+00:00 heroku[web.1]: State changed from starting to crashed
2021-10-30T18:20:01.000000+00:00 app[api]: Build succeeded
2021-10-30T18:23:33.764628+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=the-deliverers.herokuapp.com request_id=3868510c-3a81-4e23-b3e0-42a45e01d9eb fwd="119.160.59.206" dyno= connect= service= status=503 bytes= protocol=https
2021-10-30T18:23:35.426662+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=the-deliverers.herokuapp.com request_id=96e64619-a651-4653-be0b-550567716768 fwd="119.160.59.206" dyno= connect= service= status=503 bytes= protocol=https
2021-10-30T18:24:10.638507+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/test/dart" host=the-deliverers.herokuapp.com request_id=06231a4d-5075-4969-848f-46bb13322344 fwd="119.160.59.206" dyno= connect= service= status=503 bytes= protocol=https
2021-10-30T18:25:04.844439+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/test/dart" host=the-deliverers.herokuapp.com request_id=a4c5d477-8526-41c0-bfe3-91a0e27fe36d fwd="119.160.59.206" dyno= connect= service= status=503 bytes= protocol=https
2021-10-30T18:27:55.728484+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/test/dart" host=the-deliverers.herokuapp.com request_id=91bafbbc-cb53-4f2a-84ab-afe7bb5020ef fwd="119.160.59.206" dyno= connect= service= status=503 bytes= protocol=https

[saran-surya]

Hi as you can see, you did not add the build backs as mentioned in the docs. Kindly set the build backs in this order.
Please read the docs. Thanks 🐱‍💻