The FUNCTION_PAYLOAD_TOO_LARGE error occurs when the payload sent to a function exceeds the maximum allowed size. This typically happens when the data sent in the request body to a serverless function is larger than the server can process.
FUNCTION_PAYLOAD_TOO_LARGE:
Payload Too Large
I'm encountering an error and reviewing the docs at /flg~eyJhbGciOiJIUzI1NiJ9._f7-_v0.H1pbXxc_pwT_uVOl9HPQTOSEJsJVY_sGnFnlG1GD0mM/docs/errors/FUNCTION_PAYLOAD_TOO_LARGE to understand what's happening.
Please help me resolve this by:
1. **Suggest the fix**: Analyze my codebase context and propose what needs to be changed to resolve this error
2. **Explain the root cause**: Break down why this error occurred:
- What was the code actually doing vs. what it needed to do?
- What conditions triggered this specific error?
- What misconception or oversight led to this?
3. **Teach the concept**: Help me understand the underlying principle:
- Why does this error exist and what is it protecting me from?
- What's the correct mental model for this concept?
- How does this fit into the broader framework/language design?
4. **Show warning signs**: Help me recognize this pattern in the future:
- What should I look out for that might cause this again?
- Are there similar mistakes I might make in related scenarios?
- What code smells or patterns indicate this issue?
5. **Discuss alternatives**: Explain if there are different valid approaches and their trade-offs
My goal is to fix the immediate issue while building lasting understanding so I can avoid and resolve similar errors independently in the future.
To troubleshoot this error, follow these steps:
- Review payload size: Check the size of the payload being sent to the function to ensure it's within the allowed limits, and does not exceed the limit of 4.5MB
- Reduce payload size: If possible, reduce the size of the payload being sent to the function. This might include sending less data or compressing the data before sending it
- Client-side uploads: For large file uploads, consider using client-side uploads directly to Vercel Blob, where the file is sent securely from the client to Vercel Blob without going through the server
- Split into multiple requests: If the payload data is too large to be sent in a single request, consider splitting the data into smaller chunks and sending multiple requests
- Use external storage: If the data is very large, consider using external storage solutions to handle the data instead of sending it directly in the request
