This error shows that the request was too large for the server to process because of settings or physical limitations. It is a very typical Nginx mistake. To stop the client from submitting another request in response to this error, the server may cut off the connection.
The server may cancel the connection or return a Retry-After header field if the request entity exceeds the server's set limits, as shown by the HTTP 413 Payload Too Large response status code.
You simply need to alter the server initialization file in an Express application to resolve the "413 Request Entity Too Large" error. This is where you begin the Express server and is typically referred to as index.js or server.js.
The client max body size parameter in the nginx.conf file must be increased in order to increase the client request body size. The description of the client max body size parameter is given below. You can change this to an HTTP, server, or location context, and the default value is 1MB.
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