Failed to load resource: the server responded with a status of 404 (Not Found)

Hi All

This is my first time exploring UI5 toolkit.All i am trying to do is create a simple chart using makit in UI5.

I am providing the hardcoded data and not connecting to any odata gateway waht so ever.

Still while trying to do a web app preview i am getting the error "

"Failed to load resource: the server responded with a status of 404 (Not Found)"

Can some one please help.

Regards

Shweta