console show error when use mysql mode

[lordk911]

my code :
var ace = require("brace");
require("brace/ext/language_tools");
//
require("brace/mode/mysql");
require("brace/mode/less");
//
require("brace/theme/cobalt");
require("brace/theme/eclipse");
require("brace/theme/sqlserver");
//
require("brace/snippets/text.js");
require("brace/snippets/mysql.js");
//
this.editor = ace.edit("editor" + this.editableTabsValue);
this.editor.getSession().setMode("ace/mode/mysql");

all works fine but thereis error show on the browser console :
GET http://127.0.0.1:8080/mode-sql.js net::ERR_ABORTED 404 (Not Found)

[step21]

Did you ever resolve this? I have a similar issue.