Question

Which error indicate that data are not available​

Answer 1

Answer:

The HTTP 404, 404 Not Found, 404, Page Not Found, or Server Not Found error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the browser was able to communicate with a given server, but the server could not find what was requested..

Answer 2

Answer:

when in the top you see that two arrows is not glowing indicate that data is not available