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 - [2026-07-21 17:59:54Z]: 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: 438a2272-79a8-430a-9223-eb4251b91300 Correlation ID: 1a51587e-98d5-4aa0-a4d6-d2cadb7700c4 Timestamp: 2026-07-21 17:59:54Z - Correlation ID: 1a51587e-98d5-4aa0-a4d6-d2cadb7700c4 - Trace ID: 438a2272-79a8-430a-9223-eb4251b91300
(node:4316) [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 - [2026-07-21 17:59:54Z]: 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: 92924554-a24a-4815-a823-2932bb451800 Correlation ID: 1254ffc1-83d6-4dbd-ac49-0d4b32be25a6 Timestamp: 2026-07-21 17:59:54Z - Correlation ID: 1254ffc1-83d6-4dbd-ac49-0d4b32be25a6 - Trace ID: 92924554-a24a-4815-a823-2932bb451800
Error getting the secret: invalid_client: 7000222 - [2026-07-21 17:59:55Z]: 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: 343b0227-4a8e-4663-8ff5-699be89d1500 Correlation ID: 91af2e3c-fc56-4c2e-955d-dd4436fa0d6b Timestamp: 2026-07-21 17:59:55Z - Correlation ID: 91af2e3c-fc56-4c2e-955d-dd4436fa0d6b - Trace ID: 343b0227-4a8e-4663-8ff5-699be89d1500
Error getting the secret: invalid_client: 7000222 - [2026-07-21 17:59:55Z]: 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: c045daa1-267b-4189-8659-48417aba1400 Correlation ID: ef351c88-4417-4ed1-9270-3b894f0b3f88 Timestamp: 2026-07-21 17:59:55Z - Correlation ID: ef351c88-4417-4ed1-9270-3b894f0b3f88 - Trace ID: c045daa1-267b-4189-8659-48417aba1400
Error getting the secret: invalid_client: 7000222 - [2026-07-21 17:59:55Z]: 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: ba7cce16-ba0f-4e07-8617-d5f66db63200 Correlation ID: 39cc6952-5be1-4b0b-848b-b6ddde2b50c0 Timestamp: 2026-07-21 17:59:55Z - Correlation ID: 39cc6952-5be1-4b0b-848b-b6ddde2b50c0 - Trace ID: ba7cce16-ba0f-4e07-8617-d5f66db63200
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)