Counter to its ordinary usage, a 202 response here indicates a complete response, the same as a 200.

Incorrect client input. See the field errors provided in the response for more information. This error may also be returned in place of a 404 if a URL parameter was provided in an incorrect format.

Forbidden. You don't have permission to perform that function on this network list. Check that your user has the required privileges.

Incorrect URL. Check that the network list ID and other URL parameters are valid.

We encountered an unexpected issue while processing your request. Please follow the advice provided in the message.