We cannot use the name “HTTPServerError”, it is the name of the response.
Response class for Multiple Choices responses (status code 300).
Multiple Choices
The Multiple Choices response indicates that the server offers multiple options for the resource from which the client may choose.
References:
Mozilla.
RFC 9110.
Wikipedia.
Response class for Found responses (status code 302).
Found
The Found response indicates that the client should look at (browse to) another URL.
Response class for Request Timeout responses (status code 408).
Request Timeout
The server timed out waiting for the request.
Response class for Payload Too Large responses (status code 413).
Payload Too Large
The request is larger than the server is willing or able to process.
Response class for URI Too Long responses (status code 414).
URI Too Long
The URI provided was too long for the server to process.
URI
Response class for Range Not Satisfiable responses (status code 416).
Range Not Satisfiable
The request entity has a media type which the server or resource does not support.
Response class for Gateway Timeout responses (status code 504).
Gateway Timeout
The server was acting as a gateway or proxy and did not receive a timely response from the upstream server.