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- [FUNCTION_RESPONSE_PAYLOAD_TOO_LARGE](/docs/errors/FUNCTION_RESPONSE_PAYLOAD_TOO_LARGE.md): The FUNCTION_RESPONSE_PAYLOAD_TOO_LARGE error occurs when the function returned a response that exceeds the maximum allowed size of 4.5 MB. 500
- [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
- [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
- [Use the rateLimitKey in code](#usetheratelimitkeyincode)[](/docs/vercel-firewall/vercel-waf/rate-limiting-sdk.md): Use the following code to apply the rate limit only to users of the organization. ratelimit.ts import { checkRateLimit } from '@vercel/firewall';
- [FUNCTION_PAYLOAD_TOO_LARGE](/docs/errors/FUNCTION_PAYLOAD_TOO_LARGE.md): The FUNCTION_PAYLOAD_TOO_LARGE error occurs when the payload sent to a function exceeds the maximum allowed size. This typically happens when the

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