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 - [2026-07-18 07:50:00Z]: 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: 4e980679-6a16-4e4a-87f1-ad6408fb0300 Correlation ID: d84a3678-0c5d-4379-a1aa-31111a5ab203 Timestamp: 2026-07-18 07:50:00Z - Correlation ID: d84a3678-0c5d-4379-a1aa-31111a5ab203 - Trace ID: 4e980679-6a16-4e4a-87f1-ad6408fb0300
(node:1868) [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 - [2026-07-18 07:50:01Z]: 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: 08d6e955-443c-417e-9ef7-c9303b8b0300 Correlation ID: 9a720512-010c-4257-9634-a1fa19948d70 Timestamp: 2026-07-18 07:50:01Z - Correlation ID: 9a720512-010c-4257-9634-a1fa19948d70 - Trace ID: 08d6e955-443c-417e-9ef7-c9303b8b0300
Error getting the secret: invalid_client: 7000222 - [2026-07-18 07:50:01Z]: 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: 6ac9ec2d-4b06-46e1-b82c-6fc6dbc13600 Correlation ID: fbd0d72d-255d-499d-ac5d-74d0af489a50 Timestamp: 2026-07-18 07:50:01Z - Correlation ID: fbd0d72d-255d-499d-ac5d-74d0af489a50 - Trace ID: 6ac9ec2d-4b06-46e1-b82c-6fc6dbc13600
Error getting the secret: invalid_client: 7000222 - [2026-07-18 07:50:01Z]: 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: 12141630-f5a7-4ba9-b026-73ad09b30400 Correlation ID: 8a6a3ba7-56a3-4e24-9287-123efcb6dc99 Timestamp: 2026-07-18 07:50:01Z - Correlation ID: 8a6a3ba7-56a3-4e24-9287-123efcb6dc99 - Trace ID: 12141630-f5a7-4ba9-b026-73ad09b30400
Error getting the secret: invalid_client: 7000222 - [2026-07-18 07:50:02Z]: 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: 08d6e955-443c-417e-9ef7-c9304c8b0300 Correlation ID: fdad77d1-528a-4750-b507-c557dd9510a3 Timestamp: 2026-07-18 07:50:02Z - Correlation ID: fdad77d1-528a-4750-b507-c557dd9510a3 - Trace ID: 08d6e955-443c-417e-9ef7-c9304c8b0300
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)