Failed to load resource: the server responded with a status of 431 ()

This error code means that the server is refusing to process the request because the request header fields are too large. It is possible that the headers being sent with the request are too big for the server to handle.

To resolve this issue, you may try the following solutions:

1. Reduce the size of the headers being sent with the request. This can be done by removing unnecessary headers or by compressing the headers.

2. Split the request into multiple smaller requests, each with smaller headers.

3. Check if the server has any limits on the size of the headers it can handle. If so, try to stay within those limits.

4. If the issue persists, contact the server administrator for further assistance.