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 - [2026-10-06 10:07:55Z]: 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: 1582af35-18f5-48c5-b734-bd481a731e00 Correlation ID: 60930ce9-adf9-4bfe-8e19-5e8d5946ddfe Timestamp: 2026-10-06 10:07:55Z - Correlation ID: 60930ce9-adf9-4bfe-8e19-5e8d5946ddfe - Trace ID: 1582af35-18f5-48c5-b734-bd481a731e00
(node:4008) [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 - [2026-10-06 10:07:56Z]: 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: dffabdcd-270e-499a-91ff-bbfa79181d00 Correlation ID: c4a04265-a2b7-4aef-ba01-8cd71c154390 Timestamp: 2026-10-06 10:07:56Z - Correlation ID: c4a04265-a2b7-4aef-ba01-8cd71c154390 - Trace ID: dffabdcd-270e-499a-91ff-bbfa79181d00
Error getting the secret: invalid_client: 7000222 - [2026-10-06 10:07:56Z]: 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: 3cca8126-c0fb-48e2-8451-2883ccacea00 Correlation ID: f52130e6-ef3e-44c5-99c9-5627718b88e8 Timestamp: 2026-10-06 10:07:56Z - Correlation ID: f52130e6-ef3e-44c5-99c9-5627718b88e8 - Trace ID: 3cca8126-c0fb-48e2-8451-2883ccacea00
Error getting the secret: invalid_client: 7000222 - [2026-10-06 10:07:56Z]: 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: b0e70388-58f2-4509-8e29-be24a90fc900 Correlation ID: 78b96e13-3f10-4f33-9cf9-c216474d1a19 Timestamp: 2026-10-06 10:07:56Z - Correlation ID: 78b96e13-3f10-4f33-9cf9-c216474d1a19 - Trace ID: b0e70388-58f2-4509-8e29-be24a90fc900
Error getting the secret: invalid_client: 7000222 - [2026-10-06 10:07:56Z]: 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: 5e6b2bdf-1608-47fe-b529-0577de7cd500 Correlation ID: 17363424-d653-4ebe-9360-2b037bd572a0 Timestamp: 2026-10-06 10:07:56Z - Correlation ID: 17363424-d653-4ebe-9360-2b037bd572a0 - Trace ID: 5e6b2bdf-1608-47fe-b529-0577de7cd500
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)