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 - [2026-10-05 01:06:48Z]: 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: 0d08ea1c-ee15-4864-ae2a-216a6f318b00 Correlation ID: 1b06e1ac-bff2-4308-9c93-fa8ef03f5e9e Timestamp: 2026-10-05 01:06:48Z - Correlation ID: 1b06e1ac-bff2-4308-9c93-fa8ef03f5e9e - Trace ID: 0d08ea1c-ee15-4864-ae2a-216a6f318b00
(node:6088) [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 - [2026-10-05 01:06:48Z]: 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: 0d08ea1c-ee15-4864-ae2a-216a74318b00 Correlation ID: 198e5695-3a06-40bc-a344-75036ae6896f Timestamp: 2026-10-05 01:06:48Z - Correlation ID: 198e5695-3a06-40bc-a344-75036ae6896f - Trace ID: 0d08ea1c-ee15-4864-ae2a-216a74318b00
Error getting the secret: invalid_client: 7000222 - [2026-10-05 01:06:48Z]: 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: 0d08ea1c-ee15-4864-ae2a-216a7b318b00 Correlation ID: ecc94225-13e3-4027-ae4b-14af6ce28a2e Timestamp: 2026-10-05 01:06:48Z - Correlation ID: ecc94225-13e3-4027-ae4b-14af6ce28a2e - Trace ID: 0d08ea1c-ee15-4864-ae2a-216a7b318b00
Error getting the secret: invalid_client: 7000222 - [2026-10-05 01:06:48Z]: 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: 846aa8fc-8e5d-4b74-ace1-3e00802b1201 Correlation ID: a80499ef-2321-400a-8237-40e7915577d1 Timestamp: 2026-10-05 01:06:48Z - Correlation ID: a80499ef-2321-400a-8237-40e7915577d1 - Trace ID: 846aa8fc-8e5d-4b74-ace1-3e00802b1201
Error getting the secret: invalid_client: 7000222 - [2026-10-05 01:06:48Z]: 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: 0d08ea1c-ee15-4864-ae2a-216a8a318b00 Correlation ID: b49ca301-14d4-476c-ae08-24bd111e21ce Timestamp: 2026-10-05 01:06:48Z - Correlation ID: b49ca301-14d4-476c-ae08-24bd111e21ce - Trace ID: 0d08ea1c-ee15-4864-ae2a-216a8a318b00
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)