Sandbox Uploader crash on HTTP 413 error

Error from Ridley:
Ridley::SandboxUploader crashed!
Ridley::Errors::HTTPUnknownStatus: status: 413 is an unknown HTTP status code or not an error.

More info on HTTP 413 errors from the internet:

413 Status Code Explained

The 413 status code indicates that the request was larger than the server can handle, either due to physical constraints or settings.

Why it occurs

Usually, this occurs when a file is sent using the POST method from a form, and the file is larger than the maximum size allowed in the server settings. The content of the request is more than the server can process. The request may have included a message body, which is not always permissible.

Fixing 413 Error Code

The problem can only be resolved by examining what your client system is trying to do and then discussing with your ISP why the Web server rejects the number of bytes sent by the client system. If you are monitor your website through 100pulse, we will intimate whenever you encounter 413 status code error through e-mail or Short message service.