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 00:17:17Z]: 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: de989920-5b1c-4aad-8454-13e06ec4e700 Correlation ID: dc87e844-39a7-45dd-afad-f11420c15cff Timestamp: 2026-10-06 00:17:17Z - Correlation ID: dc87e844-39a7-45dd-afad-f11420c15cff - Trace ID: de989920-5b1c-4aad-8454-13e06ec4e700
(node:1392) [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 00:17:17Z]: 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: 45ebeff3-0ec8-4ea2-95ea-86c7ae8ec400 Correlation ID: 99835926-1bc5-4ca6-9e29-11ca3f16ffee Timestamp: 2026-10-06 00:17:17Z - Correlation ID: 99835926-1bc5-4ca6-9e29-11ca3f16ffee - Trace ID: 45ebeff3-0ec8-4ea2-95ea-86c7ae8ec400
Error getting the secret: invalid_client: 7000222 - [2026-10-06 00:17:17Z]: 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: a673dc22-4871-4b42-acdb-9c4b46b2f400 Correlation ID: b52c5a5f-617e-45f6-b593-f9d90232f2fe Timestamp: 2026-10-06 00:17:17Z - Correlation ID: b52c5a5f-617e-45f6-b593-f9d90232f2fe - Trace ID: a673dc22-4871-4b42-acdb-9c4b46b2f400
Error getting the secret: invalid_client: 7000222 - [2026-10-06 00:17:18Z]: 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: 5a8c5365-8e5e-4b48-bb04-b560b62d0a00 Correlation ID: 9819edb8-365e-4ccf-ba63-5755d8549b5b Timestamp: 2026-10-06 00:17:18Z - Correlation ID: 9819edb8-365e-4ccf-ba63-5755d8549b5b - Trace ID: 5a8c5365-8e5e-4b48-bb04-b560b62d0a00
Error getting the secret: invalid_client: 7000222 - [2026-10-06 00:17:18Z]: 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: 59d4b759-108b-4b94-a89e-41ecca430b00 Correlation ID: c46508e1-814c-4e65-9cd6-f24af83b6140 Timestamp: 2026-10-06 00:17:18Z - Correlation ID: c46508e1-814c-4e65-9cd6-f24af83b6140 - Trace ID: 59d4b759-108b-4b94-a89e-41ecca430b00
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)