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 - [2026-10-03 07:18:27Z]: 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: e299d40a-9b4d-40f6-821a-13c5a844cf00 Correlation ID: ac8066e7-57fa-4db4-91ac-1aa573bbc3f8 Timestamp: 2026-10-03 07:18:27Z - Correlation ID: ac8066e7-57fa-4db4-91ac-1aa573bbc3f8 - Trace ID: e299d40a-9b4d-40f6-821a-13c5a844cf00
(node:2104) [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 - [2026-10-03 07:18:27Z]: 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: 204ee792-b4de-4084-9fef-b4353f5a7000 Correlation ID: 32cd478d-3972-46be-9ea0-c6a28698f629 Timestamp: 2026-10-03 07:18:27Z - Correlation ID: 32cd478d-3972-46be-9ea0-c6a28698f629 - Trace ID: 204ee792-b4de-4084-9fef-b4353f5a7000
Error getting the secret: invalid_client: 7000222 - [2026-10-03 07:18:27Z]: 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: 204ee792-b4de-4084-9fef-b435475a7000 Correlation ID: 1dc781e1-b07b-4b89-b894-915420e0ce00 Timestamp: 2026-10-03 07:18:27Z - Correlation ID: 1dc781e1-b07b-4b89-b894-915420e0ce00 - Trace ID: 204ee792-b4de-4084-9fef-b435475a7000
Error getting the secret: invalid_client: 7000222 - [2026-10-03 07:18:27Z]: 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: c81dc49b-86b0-4709-a598-b4f2b8d02a00 Correlation ID: 59fa41b2-d38b-4b57-ac6d-f2bf1e8de279 Timestamp: 2026-10-03 07:18:27Z - Correlation ID: 59fa41b2-d38b-4b57-ac6d-f2bf1e8de279 - Trace ID: c81dc49b-86b0-4709-a598-b4f2b8d02a00
Error getting the secret: invalid_client: 7000222 - [2026-10-03 07:18:27Z]: 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: 66ca3a94-e6f7-4a12-8dfa-f485a8b27200 Correlation ID: 25f67eb4-77c9-4802-8a13-03f4a6ed1be2 Timestamp: 2026-10-03 07:18:27Z - Correlation ID: 25f67eb4-77c9-4802-8a13-03f4a6ed1be2 - Trace ID: 66ca3a94-e6f7-4a12-8dfa-f485a8b27200
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)