function formatProdErrorMessage() {
		var code = arguments[ 0 ];
		var url = opts.url + '?code='+code;
		var msg;
		var i;
		for ( i = 1; i < arguments.length; i++ ) {
			url += '&arg[]=' + encodeURIComponent( arguments[ i ] );
		}
		msg = replace( opts.message, '{{url}}', url );
		msg = replace( msg, '{{code}}', code );
		return msg;
	}
Formats an error message for production.

@private
@param {string} code - error code
@param {*} ...args - error message arguments
@returns {string} formatted error message