iisnode encountered an error when processing the request.

HRESULT: 0x2
HTTP status: 500
HTTP subStatus: 1002
HTTP reason: Internal Server Error

You are receiving this HTTP 200 response because system.webServer/iisnode/@devErrorsEnabled configuration setting is 'true'.

In addition to the log of stdout and stderr of the node.exe process, consider using debugging and ETW traces to further diagnose the problem.

The last 64k of the output generated by the node.exe process to stderr is shown below:

Error getting the secret: invalid_client: 7000222 - [2026-10-05 14:15:10Z]: AADSTS7000222: The provided client secret keys for app '1a3f705e-321b-477c-a2a9-dd6e240f8c1e' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: b590fb99-750f-4941-a465-c42957c13e01 Correlation ID: a9d45144-3fe2-44f3-b541-1e5af2bc5b47 Timestamp: 2026-10-05 14:15:10Z - Correlation ID: a9d45144-3fe2-44f3-b541-1e5af2bc5b47 - Trace ID: b590fb99-750f-4941-a465-c42957c13e01
(node:4220) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
(Use `node --trace-deprecation ...` to show where the warning was created)
Error getting the secret: invalid_client: 7000222 - [2026-10-05 14:15:11Z]: AADSTS7000222: The provided client secret keys for app '1a3f705e-321b-477c-a2a9-dd6e240f8c1e' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: e5ed1f9a-3757-4e10-bb60-9007f43dee00 Correlation ID: 1fcf2e54-7982-4b81-9a82-084b7e9bc156 Timestamp: 2026-10-05 14:15:11Z - Correlation ID: 1fcf2e54-7982-4b81-9a82-084b7e9bc156 - Trace ID: e5ed1f9a-3757-4e10-bb60-9007f43dee00
Error getting the secret: invalid_client: 7000222 - [2026-10-05 14:15:11Z]: AADSTS7000222: The provided client secret keys for app '1a3f705e-321b-477c-a2a9-dd6e240f8c1e' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: e3fc82c4-b372-4ae4-a5f9-9053d9f31701 Correlation ID: 3f5e9a2a-4d2a-4145-82b6-b49938edc627 Timestamp: 2026-10-05 14:15:11Z - Correlation ID: 3f5e9a2a-4d2a-4145-82b6-b49938edc627 - Trace ID: e3fc82c4-b372-4ae4-a5f9-9053d9f31701
Error getting the secret: invalid_client: 7000222 - [2026-10-05 14:15:11Z]: AADSTS7000222: The provided client secret keys for app '1a3f705e-321b-477c-a2a9-dd6e240f8c1e' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: 76ee8798-90c5-43ee-801b-3e5c01936c00 Correlation ID: 41275809-588c-4971-a68d-7e38c0d6e345 Timestamp: 2026-10-05 14:15:11Z - Correlation ID: 41275809-588c-4971-a68d-7e38c0d6e345 - Trace ID: 76ee8798-90c5-43ee-801b-3e5c01936c00
Error getting the secret: invalid_client: 7000222 - [2026-10-05 14:15:12Z]: AADSTS7000222: The provided client secret keys for app '1a3f705e-321b-477c-a2a9-dd6e240f8c1e' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: 9e19e272-cf9c-4e2c-8e48-9594ce95e100 Correlation ID: 8e022a49-d93d-414e-a45b-eab1b684de25 Timestamp: 2026-10-05 14:15:12Z - Correlation ID: 8e022a49-d93d-414e-a45b-eab1b684de25 - Trace ID: 9e19e272-cf9c-4e2c-8e48-9594ce95e100
Application has thrown an uncaught exception and is terminated:
TypeError: Cannot read properties of undefined (reading 'username')
    at C:\vehicle_status_API\server.js:30:32
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)