Steps to reproduce the issue

  var messages = { "message": ["Message one", "Message two"],
                            "error": ["Error one", "Error two"]
                        };
 Joomla.renderMessages(messages);

   jQuery.ajax({
                    url: "index.php",
                    type: "POST",
                    data:
                    { 
                        option: "<?php echo $option ?>",
                        task: "messageform.sentMessage",
                        params: "<?php echo $this->params64 ?>",
                        "<?php echo JSession::getFormToken() ?>": '1',
                        msg:jQuery("#gs-message").val()
                    },
                    dataType: "JSON",
                    success: function(json){
                        var messages = { "message": ["Message one", "Message two"],
                            "error": ["Error one", "Error two"]
                        };
                        Joomla.renderMessages(messages);
                      //  Joomla.renderMessages(json.messages);

                        if(json.data == "message_send"){
                            jQuery("#ga-jq-submit-message-form").fadeOut('fast',function(){
                                jQuery(this).remove();
                            });
                        }
                    }
                });

Expected result

Correct system message

Actual result

Uncaught TypeError: Cannot read property 'joomla.jtext' of null
    at Object.e.getOptions (core.js?4d4a824…:1)
    at Object._ (core.js?4d4a824…:1)
    at Object.e.renderMessages (core.js?4d4a824…:1)
    at Object.success (messageform.html?tmpl=component&09ca28f…=1&params=YToyOntzOjM6ImFpZCI7czozO…:226)
    at i (jquery.min.js?4d4a824…:2)
    at Object.fireWith [as resolveWith] (jquery.min.js?4d4a824…:2)
    at y (jquery.min.js?4d4a824…:4)
    at XMLHttpRequest.c (jquery.min.js?4d4a824…:4)

System information (as much as possible)

Joomla >3.7 (in joomla <=3.6.5 worked)