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`/docs/functions/troubleshooting` does not exist. Similar pages:

- [FUNCTION_INVOCATION_TIMEOUT](/docs/errors/FUNCTION_INVOCATION_TIMEOUT.md): The FUNCTION_INVOCATION_TIMEOUT error occurs when a function invocation takes longer than the allowed execution time. This could be due to an error
- [Debugging slow Vercel Functions](/docs/functions/debug-slow-functions.md): Use this guide to diagnose and fix slow Vercel Functions. You'll identify which functions are slow, measure where the time is spent, and verify that
- [INTERNAL_FUNCTION_INVOCATION_TIMEOUT](/docs/errors/INTERNAL_FUNCTION_INVOCATION_TIMEOUT.md): The INTERNAL_FUNCTION_INVOCATION_TIMEOUT error occurs when a function invocation takes longer than the allowed execution time. This could be due to
- [Observability Insights](/docs/observability/insights.md): Vercel organizes Observability through sections that correspond to different features and traffic sources that you can view, monitor and filter.
- [FUNCTION_THROTTLED](/docs/errors/FUNCTION_THROTTLED.md): The FUNCTION_THROTTLED error occurs when your Vercel Functions exceed the concurrent execution limit, often due to a sudden request spike or backend

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