/* * Retrieve error from last call to MusicBrainz::Client#query with this MusicBrainz::Client object. * * Aliases: * MusicBrainz::Client#get_error * MusicBrainz::Client#get_query_error * * Example: * # simple query and error return * query = MusicBrainz::Query::GetStatus * puts 'Error: ' << mb.error unless mb.query query * */ static VALUE mb_client_error(VALUE self) {