private static function setErrors($errors) {

        $std_rpc_errors = array(
            -32700 => "Parse error",
            -32701 => "Parse error - Unsupported encoding",
            -32702 => "Parse error - Invalid character for encoding",
            -32600 => "Invalid Request",
            -32601 => "Method not found",
            -32602 => "Invalid params",
            -32603 => "Internal error",
            -32500 => "Application error",
            -32400 => "System error",
            -32300 => "Transport error",
            // Predefined Comodojo Errors
            -31000 => "Multicall is available only in XMLRPC",
            -31001 => "Recursive system.multicall forbidden"
        );

        foreach ( $std_rpc_errors as $code => $message ) {

            $errors->add($code, $message);

        }

    }