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 01:29:02Z]: 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: 3389efbc-c7ed-4007-847e-9eeba77a7000 Correlation ID: b0f556de-b194-4ff5-b076-069a54a181b3 Timestamp: 2026-10-03 01:29:02Z - Correlation ID: b0f556de-b194-4ff5-b076-069a54a181b3 - Trace ID: 3389efbc-c7ed-4007-847e-9eeba77a7000
(node:4808) [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 01:29:02Z]: 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: b7116275-7146-41d0-a627-7c19f7a3c500 Correlation ID: 640c667e-2f9c-4a88-b696-6c2eb1b5a3e8 Timestamp: 2026-10-03 01:29:02Z - Correlation ID: 640c667e-2f9c-4a88-b696-6c2eb1b5a3e8 - Trace ID: b7116275-7146-41d0-a627-7c19f7a3c500
Error getting the secret: invalid_client: 7000222 - [2026-10-03 01:29:03Z]: 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: a0420cfc-145d-478d-af08-d7c53e666d00 Correlation ID: 468b94f2-bc2c-4dae-973d-c3996ee64ea6 Timestamp: 2026-10-03 01:29:03Z - Correlation ID: 468b94f2-bc2c-4dae-973d-c3996ee64ea6 - Trace ID: a0420cfc-145d-478d-af08-d7c53e666d00
Error getting the secret: invalid_client: 7000222 - [2026-10-03 01:29:03Z]: 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: 2f8f4841-5a87-4dbd-8726-1e40646d1a00 Correlation ID: 3a90fbcb-2fd4-4c03-b2b7-95802627a627 Timestamp: 2026-10-03 01:29:03Z - Correlation ID: 3a90fbcb-2fd4-4c03-b2b7-95802627a627 - Trace ID: 2f8f4841-5a87-4dbd-8726-1e40646d1a00
Error getting the secret: invalid_client: 7000222 - [2026-10-03 01:29:03Z]: 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: a011ca7a-1cde-4140-b067-7066ed067c00 Correlation ID: 23bd2658-2c0f-449b-a8d4-38a654e4ef68 Timestamp: 2026-10-03 01:29:03Z - Correlation ID: 23bd2658-2c0f-449b-a8d4-38a654e4ef68 - Trace ID: a011ca7a-1cde-4140-b067-7066ed067c00
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)