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 21:28:35Z]: 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: fef93a75-3cb4-40cb-886b-681ccbc31c00 Correlation ID: b678d641-9853-475e-b31b-6bdb2b63b507 Timestamp: 2026-07-14 21:28:35Z - Correlation ID: b678d641-9853-475e-b31b-6bdb2b63b507 - Trace ID: fef93a75-3cb4-40cb-886b-681ccbc31c00
(node:2736) [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 21:28:35Z]: 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: c42f4053-3896-4067-8975-c8ca32fb0300 Correlation ID: 3f9fddc8-d8ca-46cd-bd11-3f0999dd6ead Timestamp: 2026-07-14 21:28:35Z - Correlation ID: 3f9fddc8-d8ca-46cd-bd11-3f0999dd6ead - Trace ID: c42f4053-3896-4067-8975-c8ca32fb0300
Error getting the secret: invalid_client: 7000222 - [2026-07-14 21:28:36Z]: 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: 2dda428f-7797-4243-b0d4-c24299e71500 Correlation ID: 5096f8b7-f9ab-4dc6-b6b8-58784cf21a79 Timestamp: 2026-07-14 21:28:36Z - Correlation ID: 5096f8b7-f9ab-4dc6-b6b8-58784cf21a79 - Trace ID: 2dda428f-7797-4243-b0d4-c24299e71500
Error getting the secret: invalid_client: 7000222 - [2026-07-14 21:28:36Z]: 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: 702a4072-4fa8-4277-8a94-47d306b50400 Correlation ID: 7bfab120-83a2-406c-94cc-a42a913e1187 Timestamp: 2026-07-14 21:28:36Z - Correlation ID: 7bfab120-83a2-406c-94cc-a42a913e1187 - Trace ID: 702a4072-4fa8-4277-8a94-47d306b50400
Error getting the secret: invalid_client: 7000222 - [2026-07-14 21:28:36Z]: 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: d8816972-3993-4820-bf4b-ff7deffa0000 Correlation ID: 80d0bda4-04a7-438d-91e5-20d6d66b40b8 Timestamp: 2026-07-14 21:28:36Z - Correlation ID: 80d0bda4-04a7-438d-91e5-20d6d66b40b8 - Trace ID: d8816972-3993-4820-bf4b-ff7deffa0000
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)