431 Request Header Fields Too Large
Your headers are too fucking big.
What it properly means
The server will not process the request because its header fields are too large. It can be resubmitted with smaller headers.
- Class
- 4xx Client error: you fucked up
- Defined in
- RFC 6585
Get one yourself
This endpoint really answers with 431. Point your client at it and see what it does.
curl -i https://httpcodes.dev/api/431