What does the error message "Request at [URL] from origin [origin] has been blocked by CORS policy" typically indicate?
A) The server has not been properly configured to handle requests from the specified origin, resulting in the request being blocked due to Cross-Origin Resource Sharing (CORS) policy restrictions.
B) The request was blocked due to the server experiencing an internal error unrelated to CORS policy.
C) The request was successfully processed, but the response was not received by the client.
D) The client is making a request to a URL that is not supported by the server.