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 - [2026-07-14 15:03:09Z]: 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: 488da602-3cab-4c7a-bd03-15fe10883800 Correlation ID: cc0888b5-392e-4b0a-8d7a-225cd79a039f Timestamp: 2026-07-14 15:03:09Z - Correlation ID: cc0888b5-392e-4b0a-8d7a-225cd79a039f - Trace ID: 488da602-3cab-4c7a-bd03-15fe10883800
(node:3416) [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 - [2026-07-14 15:03:09Z]: 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: 57c786c9-9f55-47cd-b65a-6c1d3b6a2b00 Correlation ID: 263124b0-2d80-4e75-921b-7c3c582b8e1c Timestamp: 2026-07-14 15:03:09Z - Correlation ID: 263124b0-2d80-4e75-921b-7c3c582b8e1c - Trace ID: 57c786c9-9f55-47cd-b65a-6c1d3b6a2b00
Error getting the secret: invalid_client: 7000222 - [2026-07-14 15:03:09Z]: 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: d4aace5d-83f4-4b7f-a618-310a1efe2d00 Correlation ID: 18250726-31eb-4b0d-ac9e-6a6105e8594e Timestamp: 2026-07-14 15:03:09Z - Correlation ID: 18250726-31eb-4b0d-ac9e-6a6105e8594e - Trace ID: d4aace5d-83f4-4b7f-a618-310a1efe2d00
Error getting the secret: invalid_client: 7000222 - [2026-07-14 15:03:09Z]: 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: d4aace5d-83f4-4b7f-a618-310a27fe2d00 Correlation ID: 8145310b-cd46-4f13-9a85-57b39dc0a2be Timestamp: 2026-07-14 15:03:09Z - Correlation ID: 8145310b-cd46-4f13-9a85-57b39dc0a2be - Trace ID: d4aace5d-83f4-4b7f-a618-310a27fe2d00
Error getting the secret: invalid_client: 7000222 - [2026-07-14 15:03:09Z]: 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: 1645e952-b23f-4f35-8a24-e4f6b6853d00 Correlation ID: 41e08148-ee5c-42e1-938a-558137462ea3 Timestamp: 2026-07-14 15:03:09Z - Correlation ID: 41e08148-ee5c-42e1-938a-558137462ea3 - Trace ID: 1645e952-b23f-4f35-8a24-e4f6b6853d00
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)