<p>iisnode encountered an error when processing the request.</p><pre style="background-color: eeeeee">HRESULT: 0x2
HTTP status: 500
HTTP subStatus: 1002
HTTP reason: Internal Server Error</pre><p>You are receiving this HTTP 200 response because <a href=https://github.com/tjanczuk/iisnode/blob/master/src/samples/configuration/web.config>system.webServer/iisnode/@devErrorsEnabled</a> configuration setting is 'true'.</p><p>In addition to the log of stdout and stderr of the node.exe process, consider using <a href=http://tomasz.janczuk.org/2011/11/debug-nodejs-applications-on-windows.html>debugging</a> and <a href=http://tomasz.janczuk.org/2011/09/using-event-tracing-for-windows-to.html>ETW traces</a> to further diagnose the problem.</p><p>The last 64k of the output generated by the node.exe process to stderr is shown below:</p><pre style="background-color: eeeeee">Error getting the secret: invalid_client: 7000222 - [2026-10-07 11:53:58Z]: AADSTS7000222: The provided client secret keys for app &apos;1a3f705e-321b-477c-a2a9-dd6e240f8c1e&apos; 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: 3b167171-81de-48c9-8877-f544b1931f00 Correlation ID: 9146dd22-26a6-4749-a998-02fe54cf2b58 Timestamp: 2026-10-07 11:53:58Z - Correlation ID: 9146dd22-26a6-4749-a998-02fe54cf2b58 - Trace ID: 3b167171-81de-48c9-8877-f544b1931f00
(node:4100) [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 - [2026-10-07 11:53:58Z]: AADSTS7000222: The provided client secret keys for app &apos;1a3f705e-321b-477c-a2a9-dd6e240f8c1e&apos; 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: b681cbaa-cd46-4b15-9970-74c3ec1a2100 Correlation ID: 2b1c803c-5746-43db-ab83-246a90e1880c Timestamp: 2026-10-07 11:53:58Z - Correlation ID: 2b1c803c-5746-43db-ab83-246a90e1880c - Trace ID: b681cbaa-cd46-4b15-9970-74c3ec1a2100
Error getting the secret: invalid_client: 7000222 - [2026-10-07 11:53:59Z]: AADSTS7000222: The provided client secret keys for app &apos;1a3f705e-321b-477c-a2a9-dd6e240f8c1e&apos; 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: 08d53259-0f84-45e8-9728-3ead1c932300 Correlation ID: 0fd21f8f-06ca-4f5c-95b0-4f9cd1cd569c Timestamp: 2026-10-07 11:53:59Z - Correlation ID: 0fd21f8f-06ca-4f5c-95b0-4f9cd1cd569c - Trace ID: 08d53259-0f84-45e8-9728-3ead1c932300
Error getting the secret: invalid_client: 7000222 - [2026-10-07 11:53:59Z]: AADSTS7000222: The provided client secret keys for app &apos;1a3f705e-321b-477c-a2a9-dd6e240f8c1e&apos; 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: eb22aea8-1cf8-400a-a433-4ba0d9772300 Correlation ID: 3b2b9a09-86c6-4ec8-a29e-9d42085474fd Timestamp: 2026-10-07 11:53:59Z - Correlation ID: 3b2b9a09-86c6-4ec8-a29e-9d42085474fd - Trace ID: eb22aea8-1cf8-400a-a433-4ba0d9772300
Application has thrown an uncaught exception and is terminated:
TypeError: Cannot read properties of undefined (reading &apos;username&apos;)
    at C:\vehicle_status_API\server.js:25:32
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)