What are the main causes you know about 5xx error?

Simply put, the 5xx error is a code that appears on web browsers when a request is not fulfilled by the server. Additionally, it lets us know whether the server is aware of the issue or is unable to process the request.

A server response to a client request is an HTTP status code (browser or search engine). The three-digit codes show if a particular HTTP request has been properly fulfilled.

 The class of response is determined by the first digit, which might vary from 1xx to 5xx.

1. An informative reply (100-199)

    2.Success (200-299)

    3.Redirects (300-399)

4. Client mistakes (400-499)

    5.Server errors (500-599) (500-599)