Cant render view JarvesDemoThemeBundle:Layout:default.html.twig of theme `jarvesDemoTheme

[bipeis]

I have installed all step by step and when i try to run the app gets this message:

{
"status": 500,
"error": "InvalidArgumentException",
"message": "The "/C:\wamp64\www\jarves-standard-master\vendor\jarves\jarves/Resources/public/admin/js/mootools-extras" directory does not exist.",
"file": "C:\wamp64\www\jarves-standard-master\vendor\symfony\symfony\src\Symfony\Component\Finder\Finder.php",
"line": 546,
"trace": [

It seems that done the path wrong.. the \