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 15:21:27Z]: 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: ac98ff22-e65e-4eed-9688-be392f1c8000 Correlation ID: 7ad28db1-b6d6-4a43-bdd2-6cf4f0d0596f Timestamp: 2026-10-03 15:21:27Z - Correlation ID: 7ad28db1-b6d6-4a43-bdd2-6cf4f0d0596f - Trace ID: ac98ff22-e65e-4eed-9688-be392f1c8000
(node:5544) [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 15:21:28Z]: 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: 8068c07b-5fc2-4c23-80f8-b81a33ce3000 Correlation ID: 70c16e98-7fa9-4a6a-9bda-c4fed0d8b631 Timestamp: 2026-10-03 15:21:28Z - Correlation ID: 70c16e98-7fa9-4a6a-9bda-c4fed0d8b631 - Trace ID: 8068c07b-5fc2-4c23-80f8-b81a33ce3000
Error getting the secret: invalid_client: 7000222 - [2026-10-03 15:21:28Z]: 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: db0558e1-606c-4cc2-aca8-792121de8900 Correlation ID: 8ca93483-a1ab-4245-9463-c78a22c67ef6 Timestamp: 2026-10-03 15:21:28Z - Correlation ID: 8ca93483-a1ab-4245-9463-c78a22c67ef6 - Trace ID: db0558e1-606c-4cc2-aca8-792121de8900
Error getting the secret: invalid_client: 7000222 - [2026-10-03 15:21:28Z]: 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: ac98ff22-e65e-4eed-9688-be393f1c8000 Correlation ID: 114b04e5-bd06-482c-9ac0-d413fe3fa07a Timestamp: 2026-10-03 15:21:28Z - Correlation ID: 114b04e5-bd06-482c-9ac0-d413fe3fa07a - Trace ID: ac98ff22-e65e-4eed-9688-be393f1c8000
Error getting the secret: invalid_client: 7000222 - [2026-10-03 15:21:28Z]: 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: 382342e3-07ec-45e3-aa11-4304ab999200 Correlation ID: e04365f8-2ae2-48d3-82ce-2c8e89aa6cbe Timestamp: 2026-10-03 15:21:28Z - Correlation ID: e04365f8-2ae2-48d3-82ce-2c8e89aa6cbe - Trace ID: 382342e3-07ec-45e3-aa11-4304ab999200
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)